TY  - DATA
AU  - Asthana, B. N.
TI  - Elements of statistics: B. N. Asthana
SN  - 81-219-3853-8:
U1  - 519.4 
PY  - 2011///
CY  - New Delhi
PB  - S. Chand
KW  - STATISTICS
N1  - Includes appendices
ER  -