--- trunk/src/selection/DistanceFinder.hpp	2009/11/25 20:02:06	1390
+++ trunk/src/selection/DistanceFinder.hpp	2012/12/07 18:33:33	1816
@@ -36,7 +36,8 @@
  * [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).                        
+ * [4]  Kuang & Gezelter,  J. Chem. Phys. 133, 164101 (2010).
+ * [5]  Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011).
  */
 #ifndef SELECTION_DISTANCEFINDER_HPP
 #define SELECTION_DISTANCEFINDER_HPP
@@ -50,6 +51,7 @@ namespace OpenMD {
     DistanceFinder(SimInfo* si);
 
     OpenMDBitSet find(const OpenMDBitSet& bs, RealType distance);
+    OpenMDBitSet find(const OpenMDBitSet& bs, RealType distance, int frame);
 
     SimInfo* info_;
     std::vector<StuntDouble*> stuntdoubles_;