TY  - BOOK
AU  - N. G. DAS
TI  - STATISTICAL METHODS  VOL-11
SN  - 1.3978007026e+014
U1  - 310/DAS/STA/V.2 
PY  - 2009///
CY  - NAW DELHI
PB  - TATA MCGRAW HILL
KW  - STATISTICS
ER  -