rication of Two-Dimensional Arrays of Microlenses and Their Applications in Photolithography", Wu, M.-H. and Whitesides, G. M., J. Mkromech. Microeng., 2002, .12, 747.758. 819. "Using Hierarchical Self-Assembly to Form Three-Dimensional Lattices of Spheres", Wu, H., hup://ginwgroup.harvard.cdu/p