Yu Feng Heather J. Ruskin Bao Zhu Virtual Phase Dynamics for Constrained Geometries in a Soap Froth. 399-408 2002 conf/iccS/2002-1 International Conference on Computational Science (1) http://link.springer.de/link/service/series/0558/bibs/2329/23290399.htm db/conf/iccS/iccS2002-1.html#FengRZ02