@book{5261,
	author = {The International Association of Forensic Toxicologists.},
	title = {Thin-layer chromatographic Rf values of toxicologically relevant substances on standardized systems.},
	publisher = {VCH,},
	year = {c1992.},
	address = {New York :},
	edition = {2nd rev. & enl. ed.},
	note = {At head of title: Deutsche Forschungsgemeinschaft.}
}