TY  - GEN
AU  - Das, N.G. 
TI  - Statistical methods
SN  - 9780070263505 (v.1)
U1  - 001.422 
PY  - 2009///
CY  - New  Delhi
PB  - Tata McGraw-Hill Publishing 
KW  - Statistics
N1  - includes index
ER  -