TY  - BOOK
AU  - Frevert Peter W.
TI  - Production and trade
T2  - Principles of economic series
SN  - 0030834627
U1  - X:54, L2 
PY  - 1972///
CY  - New York
PB  - Holt Rinohart and Winston USA     
KW  - Export
ER  -