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AUTHOR INFORMATION

DUSAN C. STULIK graduated from Charles University, Prague, Czechoslovakia, with B.S. and M.S. degrees in chemistry. He obtained a Ph.D. degree in physics from Czechoslovakia Academy of Sciences. He is deputy director of the Scientific Research Program and head of the Analytical Section at the Getty Conservation Institute. His current research is in the application of modern scientific methods in conservation science. Address: Getty Conservation Institute, 4503 Glencoe Ave., Marina del Rey, Calif. 90292.

HENRY A. FLORSHEIM received his B.S. and M.S. degrees in organic chemistry from the University of California at Los Angeles. His research interests involve the detection and identification of organic binders in paint layers. Address: Getty Conservation Institute, 4503 Glencoe Ave., Marina del Rey, Calif. 90292.