TY  - BOOK
AU  - Merrill William C
AU  -  Fox Karl A
TI  - Intoduction to economic statistics
U1  - X:(B28), L0 
PY  - 1970///
CY  - New York
PB  - Wiley USA        
KW  - Economic Statistics
N1  - Appendix p 568-652
ER  -