TY  - BOOK
AU  - Gupta,C.B.
AU  - Ratna,V.
TI  - Statistical calculations
SN  - 706902297 :
U1  - 519.9 
PY  - 1973///
CY  - Delhi
PB  - Vikas Pub. House
KW  - Mathematical statistics
KW  - Problems, exercises, etc
ER  -