TY  - BOOK
AU  - Zimmermann,Erich W.
TI  - World resources and industries: a functional appraisal of the availability of agricultural and industrial materials 
PY  - 1951///
CY  - New York
PB  - Harper & Row
KW  - Commercial geography
KW  - Natural resources
KW  - Industries
KW  - Agriculture
KW  - Economic aspects
KW  - Economic geography
ER  -