TY  - GEN
AU  - Zimmermann, Erich W.
TI  - World resources and industries : : a functional appraisal of the availability of agricultural and industrial materials 
U1  - 333.7  
PY  - 1951///
CY  - New York : 
PB  - Harper and Row
KW  - Natural resources
KW  - Energy
KW  - Industries
N1  - Includes bibliographical references and index
ER  -