@book{28184,
	title = {McGraw-Hill Encyclopedia of Science and Technology},
	publisher = {McGraw-Hill,},
	year = {1971},
	address = {New York :},
	edition = {3 ed.},
	note = {- - Yearbook 1970-71; 1971; 1972; 1973 - - Readers'guide - - Study guide}
}