TY  - BOOK
AU  - Warwick Donald P
AU  -  Lininger Charles A
TI  - Sample survey:  Theory and practice   
U1  - B2817, L5 
PY  - 1975///
CY  - NY
PB  - McGraw-Hill          
KW  - Sampling Mathematics
N1  - Bibliography at the end of each chapter and P 327-33
ER  -