@article {1340340, title = {Directed Dynamic Self-Assembly of Objects Rotating on Two Parallel Fluid Interfaces}, journal = {Journal of Chemical Physics}, volume = {116}, year = {2002}, note = {791}, month = {5/15/02}, pages = {8571-8577}, keywords = {701216JCP}, author = {Grzybowski, B. A. and Whitesides, G. M.} }