@book{10429,
	author = {Davis, Gordon B. and Olson, Margrethe H. },
	title = {Elementary Structured COBOL: a step by step approach },
	publisher = {McGraw Hill Higher Education,},
	year = {1977.},
	address = {[S.l.] :},
	edition = {2nd ed.},
	url = {http://10.10.170.122:8080/browse/book/29586}
}