@book{42000,
	author = {Travers, Robert Morris William, and American Educational Research Association.},
	title = {Second handbook of research on teaching :},
	publisher = {Rand McNally,},
	year = {1973.},
	address = {Chicago :},
	note = {Edition for 1963 edited by N. L. Gage and published under title: Handbook of research on teaching.}
}