TY  - BOOK
AU  - Richards Larry E
AU  -  Lacava Jerry J
TI  - Business statistics :  Why and when   
SN  - 0070522731
U1  - B280bX5, L8 
PY  - 1978///
CY  - NY
PB  - McGraw-Hill          
KW  - Statistics
N1  - Bibliography chapterswise; Appendix p 413-51
ER  -