@book{45097,
	author = {Fagen, M. D. and Bell Telephone Laboratories, inc.},
	title = {A History of engineering and science in the Bell System},
	publisher = {The Laboratories},
	year = {1975-<c1985 >},
	address = {[New York]},
	note = {Vol. 3 prepared by A.E. Joel, Jr. and other members of the technical staff, Bell Telephone Laboratories; G.E. Schindler, Jr., editor.}
}