TY  - BOOK
AU  - Belsom, Chris.
AU  - Black, Robert 
AU  - Cundy, David 
TI  - The Normal Distribution Unit Guide
SN  - 0521408814
U1  - 130793 
PY  - 1992///
CY  - New York
PB  - Cambridge university press, 
KW  - Probabilities and applied mathematics
ER  -