TY  - BOOK
AU  - Becht J E
AU  - Belzung L D
TI  - World resource management: key to civiliations and social achievement
U1  - 333 
PY  - 1975///
CY  - Ebglewood Cliffs
PB  - Prentice-Hall
KW  - Land economics
KW  - Resource management
ER  -