@book{250899,
	author = {Vogel, Arthur I. and Svehla, G.},
	title = {Vogel's qualitative inorganic analysis.},
	publisher = {Longman,},
	year = {1996.},
	address = {Harlow :},
	edition = {7th ed. /},
	note = {Previous ed.: Harlow : Longman Scientific & Technical, 1987.}
}