Your search returned the following 2 documents:

2. Interactive cloud rendering using temporally-coherent photon mapping
   Oskar Elek, Tobias Ritschel, Alexander Wilkie, and Hans-Peter Seidel
   In: Proceedings of Graphics Interface 2012, Toronto, Canada, 2012, 141-148
   
1. Interactive cloud rendering using temporally-coherent photon mapping
   Oskar Elek, Tobias Ritschel, Alexander Wilkie, and Hans-Peter Seidel
   Computers & Graphics 36 (8): 1109-1118, 2012