@book{31892,
	author = {Wasson, Chester R.},
	title = {Dynamic competitive strategy & product life cycles},
	publisher = {Challenge Books},
	year = {[1974]},
	address = {St. Charles, Ill.},
	edition = {Rev. ed.},
	note = {Published in 1971 under title: Product management: product life cycles and competitive marketing strategy.}
}