TY  - BOOK
AU  - Gupta,C.B.
TI  - An introduction to statistical methods
SN  - 0-534-91926-X
AV  - QA276.O77 
PY  - 1998///
CY  - New Delhi
PB  - PWS-Kent Publishing Company
KW  - Mathematical statistics
N1  - Includes bibliographical references
ER  -