@book{50660,
	author = {De Prospo, Ernest R. and Altman, Ellen and Measurement and Effectiveness of Public Library Service Study.},
	title = {Performance measures for public libraries},
	publisher = {Public Library Association},
	year = {1973.},
	address = {[Chicago]},
	note = {Report by the staff of the project on the first three phases of the Measurement and Effectiveness of Public Library Service Study, sponsored by the Public Library Association and conducted by the Bureau of Library and Information Sciences Research, Rutgers University.}
}