TY  - BOOK
AU  - Gupta,C.B., Gupta, Vijay
AU  - x
TI  - An Introduction to Statistical Methods: x
SN  - x
U1  - 311/G913i 
PY  - 1995///
CY  - New Delhi
PB  - Vikas
KW  - Statistics
N1  - x
ER  -