TY  - GEN
AU  - Biswal,Purna Chandra
TI  - Probability and statistics
SN  - 8120331400
U1  - 519.2076 
PY  - 2007///
CY  - New Delhi
PB  - Prentice Hall of India
N1  - Includes bibliographiocal refrences and index
ER  -