@book{34461,
	author = {Piltz, Albert, and Gruver, William John,},
	title = {Science equipment and materials :},
	publisher = {U.S.Dept. of Health, Education, and Welfare, Office of Education ; [for sale by the Superintendent of Documents, U.S. Govt. Print. Off.,},
	year = {1963]},
	address = {[Washington]},
	note = {"OE-29049."}
}