TY - BOOK AU - Weisberg,Herbert F. AU - Bowen,Bruce D. TI - An introduction to survey research and data analysis SN - 0716704854 AV - HN29 .W399 U1 - 300/.7/2 19 PY - 1977/// CY - San Francisco PB - W. H. Freeman KW - Social surveys KW - Social sciences KW - Statistical methods N1 - Includes index; Bibliography: p. [235]-237 ER -