@article {836851, title = {Creating Periodic Three-Dimensional Structures by Multibeam Interference of Visible Laser}, journal = {Chem. Mater}, volume = {14}, year = {2002}, pages = {2831-2833}, author = {Yang, S. and Megens, M. and Aizenberg, J. and Wiltzius, P. and P. M. Chaikin and W. B. Russel} }