@book{100494,
	author = {Krieghbaum, Hillier. and Rawson, Hugh. and National Science Foundation U.S.},
	title = {To improve secondary school science and mathematics teaching},
	publisher = {National Science Foundation; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.},
	year = {1968]},
	address = {[Washington]},
	note = {Based on the authors' full length report, An investment in knowledge, submitted to NSF in June 1965 in compliance with a contract between the Foundation and New York University.}
}