TY - BOOK AU - Cassel,Claes-Magnus AU - Sarndal,Carl-Erik AU - Wretman,Jan Hakan TI - Foundations of inference in survey sampling SN - 0471025631 : U1 - 519.93 PY - 1977/// CY - New York PB - John Wiley KW - Sampling (Statistics) KW - Estimation theory N1 - Includes index; Bibliography: p. 179-186 ER -