diff --git a/corsika/framework/random/ExponentialDistribution.hpp b/corsika/framework/random/ExponentialDistribution.hpp
index 2a2a1b74f3cf8ad7d751c32f15bab3f38c425a5f..51e34ce452cb42ed6b031e00f4e090ec1401525e 100644
--- a/corsika/framework/random/ExponentialDistribution.hpp
+++ b/corsika/framework/random/ExponentialDistribution.hpp
@@ -13,56 +13,57 @@ n/*
 
 namespace corsika {
 
-  template <class TQuantity>
+  template <typename Quantity>
   class ExponentialDistribution {
 
-    using RealType = typename TQuantity::value_type;
-    typedef std::exponential_distribution<RealType> distribution_type;
-    typedef  TQuantity quantity_type;
+    typedef typename Quantity::value_type real_type;
+    typedef std::exponential_distribution<real_type> distribution_type;
 
   public:
 
+    typedef Quantity value_type;
+
     ExponentialDistribution()=delete;
 
-    ExponentialDistribution(quantity_type vBeta)
-        : beta_(vBeta) {}
+    ExponentialDistribution(value_type const& beta)
+        : beta_(beta) {}
 
-    ExponentialDistribution(ExponentialDistribution<quantity_type>const& other):
+    ExponentialDistribution(ExponentialDistribution<value_type>const& other):
     beta_(other.getBeta())
     {}
 
-    ExponentialDistribution<quantity_type>&
-	operator=(ExponentialDistribution<quantity_type>const& other){
+    ExponentialDistribution<value_type>&
+	operator=(ExponentialDistribution<value_type>const& other){
     	if( this == &other) return *this;
     	beta_ = other.getBeta();
     	return *this;
     }
 
     /**
-     * @fn quantity_type getBeta()const
+     * @fn value_type getBeta()const
      * @brief Get parameter of exponential distribution \f[ \beta e^{-X}\f]
      * @pre
      * @post
-     * @return  quantity_type
+     * @return  value_type
      */
-    quantity_type getBeta() const {
+    value_type getBeta() const {
 		return beta_;
 	}
 
     /**
-     * @fn void setBeta(quantity_type)
+     * @fn void setBeta(value_type)
      * @brief Set parameter of exponential distribution \f[ \beta e^{-X}\f]
      *
      * @pre
      * @post
      * @param vBeta
      */
-	void setBeta(quantity_type vBeta) {
-		beta_ = vBeta;
+	void setBeta(value_type const& beta) {
+		beta_ = beta;
 	}
 
 	/**
-     * @fn quantity_type operator ()(Generator&)
+     * @fn value_type operator ()(Generator&)
 	 * @brief Generate a random number distributed like \f[ \beta e^{-X}\f]
 	 *
 	 * @pre
@@ -72,14 +73,14 @@ namespace corsika {
 	 * @return
 	 */
     template <class Generator>
-    quantity_type operator()(Generator& g) {
+    value_type operator()(Generator& g) {
       return beta_ * dist_(g);
     }
 
   private:
 
     distribution_type dist_{1.};
-    quantity_type beta_;
+    value_type beta_;
   };
 
 } // namespace corsika
diff --git a/corsika/framework/random/RNGManager.hpp b/corsika/framework/random/RNGManager.hpp
index d78691fa9942a35f11e0d4a38c80bdc3b53a4a8d..163489842644ebd3ee7ef01a4b51b389f18c4458 100644
--- a/corsika/framework/random/RNGManager.hpp
+++ b/corsika/framework/random/RNGManager.hpp
@@ -46,18 +46,18 @@ namespace corsika {
      *
      * \throws sth. when stream \a pModuleName is already registered
      */
-    inline  void registerRandomStream(string_type const& vStreamName);
+    inline  void registerRandomStream(string_type const& streamName);
 
     /*!
      * returns the pre-stored stream of given name \a pStreamName if
      * available
      */
-    inline prng_type& getRandomStream(string_type const& vStreamName);
+    inline prng_type& getRandomStream(string_type const& streamName);
 
     /*!
      * Check whether a stream has been registered.
      */
-    inline bool isRegistered(string_type const& vStreamName) const;
+    inline bool isRegistered(string_type const& streamName) const;
 
     /*!
      * dumps the names and states of all registered random-number streams
@@ -69,7 +69,7 @@ namespace corsika {
      * Set explicit seeds for all currently registered streams. The actual seed values
      * are incremented from \a vSeed.
      */
-    inline void seedAll(seed_type vSeed);
+    inline void seedAll(seed_type seed);
 
     /**
      * Set seeds for all currently registered streams.
diff --git a/corsika/framework/random/UniformRealDistribution.hpp b/corsika/framework/random/UniformRealDistribution.hpp
index 49ca93fc5c86c1750d9818b455fecd54f51bcbd7..620e72ecd7faee9cf2d101af2ffeb62c793147e8 100644
--- a/corsika/framework/random/UniformRealDistribution.hpp
+++ b/corsika/framework/random/UniformRealDistribution.hpp
@@ -14,32 +14,33 @@
 namespace corsika {
 
 
-  template <class TQuantity>
+  template <typename Quantity>
   class UniformRealDistribution {
-    using RealType = typename TQuantity::value_type;
-    typedef std::uniform_real_distribution<RealType>  distribution_type;
+
+    typedef typename Quantity::value_type real_type;
+    typedef std::uniform_real_distribution<real_type>  distribution_type;
 
   public:
 
-    typedef  TQuantity quantity_type;
+    typedef  Quantity value_type;
 
     UniformRealDistribution() = delete;
 
-    UniformRealDistribution(TQuantity b)
-       : min_{quantity_type(phys::units::detail::magnitude_tag, 0)}
+    UniformRealDistribution(Quantity const& b)
+       : min_{value_type(phys::units::detail::magnitude_tag, 0)}
        , max_(b) {}
 
-    UniformRealDistribution(quantity_type vMin, quantity_type vMax)
-    : min_(vMin)
-    , max_(vMax) {}
+    UniformRealDistribution(value_type const&  pmin, value_type const&  pmax)
+    : min_(pmin)
+    , max_(pmax) {}
 
-    UniformRealDistribution(UniformRealDistribution<quantity_type> const& other):
+    UniformRealDistribution(UniformRealDistribution<value_type> const& other):
       min_(other.getMin())
     , max_(other.getMax())
     {}
 
-    inline  UniformRealDistribution<quantity_type>&
-	operator=(UniformRealDistribution<quantity_type> const& other){
+    inline  UniformRealDistribution<value_type>&
+	operator=(UniformRealDistribution<value_type> const& other){
     	if( this == &other) return *this;
     	min_ = other.getMin();
         max_ = other.getMax();
@@ -54,7 +55,7 @@ namespace corsika {
      * @post
      * @return quantity_type
      */
-    inline quantity_type getMax() const {
+    inline value_type getMax() const {
 		return max_;
 	}
 
@@ -66,8 +67,8 @@ namespace corsika {
      * @post
      * @param vMax
      */
-    inline void setMax(quantity_type vMax) {
-		max_ = vMax;
+    inline void setMax(value_type const& pmax) {
+		max_ = pmax;
 	}
 
     /**
@@ -78,7 +79,7 @@ namespace corsika {
      * @post
      * @return
      */
-    inline quantity_type getMin() const {
+    inline value_type getMin() const {
 		return min_;
 	}
 
@@ -90,8 +91,8 @@ namespace corsika {
      * @post
      * @param vMin
      */
-    inline void setMin(quantity_type vMin) {
-		min_ = vMin;
+    inline void setMin(value_type const& pmin) {
+		min_ = pmin;
 	}
 
     /**
@@ -105,16 +106,16 @@ namespace corsika {
      * @return quantity_type
      */
     template <class Generator>
-    inline quantity_type operator()(Generator& g) {
+    inline value_type operator()(Generator& g) {
       return min_ + dist_(g) * (max_ - min_);
     }
 
   private:
 
-    distribution_type dist_{RealType(0.), RealType(1.)};
+    distribution_type dist_{real_type(0.), real_type(1.)};
 
-    quantity_type min_;
-    quantity_type max_;
+    value_type min_;
+    value_type max_;
   };
 
 } // namespace corsika