@book{15628,
	author = {Heisig, Gladstone Bering,},
	title = {The theory and practice of semimicro qualitative analysis /},
	publisher = {Saunders,},
	year = {1950.},
	address = {Philadelphia :},
	edition = {2d ed.},
	note = {Published in 1940 under title: The theory and practice of qualitative analysis.}
}