@book{3336,
	author = {Pender, Harold and Del Mar, William Arthur, 1880-joint ed.},
	title = {Electrical engineers' handbook},
	publisher = {Wiley},
	year = {[1949-50]},
	series = {Wiley engineering handbook series},
	address = {New York},
	edition = {4th ed},
	note = {Vol. 2 edited by H. Pender and K. McIlwain.}
}