[1] No Illinois Univ, Dept Chem, De Kalb, IL 60115 USA
[2] Univ Chicago, Searle Chem Dept, Chicago, IL 60637 USA
[3] Brookhaven Natl Lab, Upton, NY 11973 USA
[4] Springer Verlag, New York, NY 10010 USA
[5] Elect Frontier Fdn, San Francisco, CA 94103 USA
[6] Univ Calif Los Alamos Natl Lab, Theory Div Dept, Los Alamos, NM 87545 USA
[7] USDA, Natl Agr Lib, Beltsville, MD 20705 USA
[8] Louisiana State Univ, Dept Chem, Baton Rouge, LA 70803 USA
[9] AT&T Labs Res, Florham Park, NJ 07932 USA
[10] Yale Univ Lib, New Haven, CT 06502 USA
[11] Amer Chem Soc, Columbus, OH 43220 USA
[12] Amer Acad Arts & Sci, Chicago, IL 60637 USA