TY  - BOOK
AU  - Spirer,Herbert F.
TI  - Business statistics: a problem solving approach 
SN  - 0256016720
AV  - HA29 .S6557 1975
U1  - 519.5 
PY  - 1975///
CY  - Homewood
PB  - Richard D. Irwin
KW  - Statistics
KW  - Problems exercises
ER  -