TY - BOOK AU - Pearson, R. W. and Boruch, R. F. , ed. AU - Boruch, R. F. ; jt. ed. TI - Survey research designs; towards a better understanding of their costs and benefits T2 - Lecture notes in Statistics U1 - 519.50723 PY - 1986/// CY - Berlin PB - Springer-Verlag N1 - Prepared under the auspices of the working group on the comparative evaluation longitudinal surveys Social Science Research Council ER -