TY - GEN AU - Crano , John C. AU - Guglielmetti , Robert J. . TI - Organic photochromic and theromochromic compounds: main photochromic families SN - 9780306458828 U1 - 547.135 PY - 1999/// CY - New York PB - Plenum press KW - PHOTCHROMIC MATERIALS KW - PHOTOCHROMISM KW - CHEMISTRY KW - THERMORCHROMISM ER -