TY  - BOOK
AU  - Thomas,Richard S.
AU  - Weaver,John C.,series ed.
TI  - The geography of economic activity:  an introductory of world survey 
U1  - 330.9 
PY  - 1962///
CY  - New York
PB  - McGraw - Hill Book Co.
KW  - Economics - Economic Geography
ER  -