@article {1340783, title = {Hierarchically Ordered Oxides}, journal = {Science}, volume = {282}, year = {1998}, note = {626}, pages = {2244-2246}, author = {Yang, P. and Deng, T. and Zhao, D. and Feng, P. and Pine, D. and Chmelka, B. F. and Whitesides, G. M. and Stucky, G. D.} }