TY - BOOK ED - The International Association of Forensic Toxicologists. TI - Thin-layer chromatographic Rf values of toxicologically relevant substances on standardized systems SN - 3527273611 (Weinheim) U1 - 612.907 THI 23 PY - 1992/// CY - New York PB - VCH KW - Poisons KW - Analysis KW - Handbooks, manuals, etc KW - Thin layer chromatography KW - Chromatography, Thin Layer KW - handbooks N1 - At head of title: Deutsche Forschungsgemeinschaft ER -