@book{767,
	author = {Beards, P.H. and Electronics - Digital},
	title = {Analogue and Digital Electronics : a first course},
	publisher = {Longman Higher Education,},
	year = {1987.},
	address = {[S.l.] :},
	url = {http://10.10.170.122:8080/browse/book/28214}
}