TY  - BOOK
AU  - Pfaffenberger,Roger C.
AU  - Patterson,James Herbert
TI  - Statistical methods for business and economics
SN  - 0256017972
AV  - HF 1017. P43 1977 
PY  - 1977///
CY  - Homewood, Ill.
PB  - R. D. Irwin
KW  - Statistics
ER  -