TY - BOOK AU - Crano, John C. , AU - Guglielmetti, Robert J. , TI - Organic photochromic and thermochromic compounds: main photochromic families T2 - Topics in applied chemistry SN - 9780306458828 U1 - 547.135 CRA PY - 1999/// CY - New York PB - Plenum Press, N1 - Includes bibliographical references and index. ER -