TY  - BOOK
AU  - _Mendenhall William 
TI  - _Elementary Survey Sampling (4th ed.) /Richard L. Scheaffer 
SN  - 53492185
AV  - QA 276.6 .S385 1990  
CY  - California : Duxbury, 1990 
KW  - _Sampling Statistics
N1  - Includes index
ER  -