1. Bellcore, Red Bank, NJ 07701
2. Rutgers University, Piscataway, NJ 08854
3. Middlebury College, Middlebury, VT 05753
4. Department of Materials Science and Mineral Engineering and National Center for Electron Microscopy, Materials and Chemical Sciences Division, Lawrence Berkeley Laboratory, University of California, Berkeley, CA 94720
5. Stanford University, Stanford, CA 94305