TY  - SER
ED  -  Institute for Scientific Co-operartion.
TI  -  Natural resources and development : : biannual collection of recent German contributions concerning the exploration and exploitation of na tural resources
SN  -  03402797
U1  -  PER 553 N3 
PY  - 1999///-
CY  -  Tubingen : 
PB  -  Institute for Scientific Co-operartion, 
KW  -  Natural resource
ER  -