TY  - BOOK
AU  - ASTHANA (B N)
TI  - Elements of statistics
SN  - 8121938538
U1  - 519.5 ASTE 
PY  - 2011///
CY  - New Delhi
PB  - S. Chand & Co. Ltd.
KW  - statistics
KW  - of
KW  - Elements
ER  -