http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
study of the effects of a selected set of science teaching materials (Elementary science study) on classroom instructional behaviors
Microfilm. Ann Arbor, Mich. : University Microfilms, [1971?]. 1 microfilm reel ; 35 mm.
Thesis (Ph. D.)--University of Rochester, 1970.