TY  - BOOK
AU  - Perrings Charles
TI  - Black mineworkers in central Africa :  industrial strategies and the evolution of an African proletariat in the copperbelt 1911-41
U1  - X9(H113):9.613.N41<--N11, L9 
PY  - 1979///
CY  - London
PB  - Heinemann       
KW  - ECONOMICS
ER  -