@book{75112,
	author = {Dyson, G. Malcolm and May, Percy,},
	title = {May's Chemistry of synthetic drugs.},
	publisher = {Longmans},
	year = {[1959]},
	address = {[London]},
	edition = {5th ed., rev. and rewritten by G. Malcolm Dyson, in consultation with Percy May.},
	note = {4th ed. by Percy May.}
}