TY  - BOOK
AU  - William G. Cochran
TI  - Sampling Techniques. Ed 2
SN  - 0-85226-122-5
U1  - 519.52 
PY  - 1977///
CY  - Newdelhi
PB  - Wiley Eastern Ltd
N1  - William G. Cochran: Sampling Techniques. Ed 2.  (2nd Ed)  Newdelhi.  Wiley Eastern Ltd, 1977. 0-85226-122-5--(519.52COC)
ER  -