TY  - BOOK
AU  - William G. Cochran
TI  - Sampling techniques
U1  - 519.52 
PY  - 1959///
CY  - Bombay
PB  - Asia Publishing House
N1  - William G. Cochran: Sampling techniques.  Bombay.  Asia Publishing House, 1959.--(519.52COC)
ER  -