--- branches/development/src/hydrodynamics/HydroProp.cpp	2010/07/09 23:08:25	1465
+++ branches/development/src/hydrodynamics/HydroProp.cpp	2013/05/15 15:09:35	1874
@@ -35,8 +35,9 @@
  *                                                                      
  * [1]  Meineke, et al., J. Comp. Chem. 26, 252-271 (2005).             
  * [2]  Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006).          
- * [3]  Sun, Lin & Gezelter, J. Chem. Phys. 128, 24107 (2008).          
- * [4]  Vardeman & Gezelter, in progress (2009).                        
+ * [3]  Sun, Lin & Gezelter, J. Chem. Phys. 128, 234107 (2008).          
+ * [4]  Kuang & Gezelter,  J. Chem. Phys. 133, 164101 (2010).
+ * [5]  Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011).
  */
 
 #include "hydrodynamics/HydroProp.hpp"
@@ -50,12 +51,13 @@ namespace OpenMD {
     hasXi = false;
   }
   
-  HydroProp::HydroProp(Vector3d cor, Mat6x6d Xi, Mat6x6d D) : cor_(cor), Xi_(Xi), D_(D){
-    hasCOR = true;
-    hasXi = true;
+  HydroProp::HydroProp(Vector3d cor, Mat6x6d Xi, Mat6x6d D) : cor_(cor), 
+                                                              Xi_(Xi), D_(D), 
+                                                              hasCOR(true), 
+                                                              hasXi(true) {
   }
   
-  HydroProp::HydroProp(const std::string frictionLine) {
+  HydroProp::HydroProp(const std::string &frictionLine) {
     
     StringTokenizer tokenizer(frictionLine);
     if (tokenizer.countTokens() >= 40) {