TY  - BOOK
AU  - Billerbeck Klaus
TI  - On negotiating a new order of the world copper mar
T2  - German Development Institute publication, 33
U1  - X9(F113):54.1.N7, L5 
PY  - 1975///
CY  - Berlin
PB  - G D I        
KW  - Technological Industry
ER  -