@book{31634,
	author = {Singer, Norman M. and ERIC Clearinghouse on Adult, Career, and Vocational Education.},
	title = {Communications technologies},
	publisher = {ERIC Clearinghouse on Adult, Career, and Vocational Education},
	year = {1982.},
	series = {Information series},
	address = {Columbus, Ohio},
	note = {"Prepared with funding from the National Institute of Education, U.S. Department of Education, under contract no. NIE-C-400-81-0025"--Leaf ii.}
}