TY  - BOOK
AU  - S.P. Gupta
TI  - Statistical methods
U1  - 519.5 
PY  - 1991///
CY  - New Delhi
PB  - Sultan Chand & Sons Publishers
N1  - S.P. Gupta: Statistical methods.  New Delhi.  Sultan Chand & Sons Publishers, 1991.--(519.5GUP)
ER  -