TY  - BOOK
AU  - Mason Robert D
TI  - Statistical techniques in business and economics E
T2  - Irwin series in quentitaive analysis for business Ed by Robert B Fetter
U1  - B280bX, L0 
PY  - 1970///
CY  - Homewood
PB  - Irwin          
KW  - Statistics
N1  - Appendix P 519-34
ER  -