@book{134086,
	author = {Berle, Alf K. and De Camp, L. Sprague},
	title = {Inventions, patents, and their management /},
	publisher = {Van Nostrand,},
	year = {1959.},
	address = {Princeton, N.J.:},
	note = {"Based on ... [the authors'] Inventions and their management."}
}