@book{32182,
	author = {Spooner, D. F. and Grinsted, W. H.,},
	title = {Mathematics for telecommunications and electrical engineering /},
	publisher = {English Universities P.,},
	year = {c1969.},
	series = {General technical series},
	address = {London :},
	edition = {2nd ed.},
	note = {First ed. published in 1952- under title: Mathematics for telecommunications.}
}