@book{108528,
	author = {International Clearinghouse on Science and Mathematics Curricular Developments. and American Association for the Advancement of Science.},
	title = {Report of the International Clearinghouse on Science and Mathematics Curricular Developments.},
	publisher = {The Clearinghouse,},
	year = {1968-},
	address = {[College Park, Md.] :},
	note = {Some issues have also a distinctive title.}
}