@book{15258,
	author = {Pearson, R. W. and Boruch, R. F. , ed. and Boruch, R. F. ; jt. ed.},
	title = {Survey research designs; towards a better understanding of their costs and benefits},
	publisher = {Springer-Verlag},
	year = {1986},
	series = {Lecture notes in Statistics},
	address = {Berlin},
	note = {Prepared under the auspices of the working group on the comparative evaluation longitudinal surveys Social Science Research Council}
}