TY  - BOOK
AU  - Mood, Alexander M
AU  - Graybill, Franklin A
AU  -  Bose, Duane C
TI  - Introduction to the theory of statistics 
SN  - 0-07-0854653 
U1  - 519.5  
PY  - 1974///
CY  - London
PB  - MaGraw-Hill
ER  -