@book{15175,
	author = {Brown, G. I.},
	title = {A new guide to modern valency theory,},
	publisher = {Longman,},
	year = {1973.},
	address = {London :},
	edition = {3rd ed.},
	note = {First ed. published in 1953 under title: A simple guide to modern valency theory.}
}