TY  - SER
AU  - Porter,Richard C.
TI  - Apartheid, the job ladder, and the evolutionary hypothesis: empirical evidence from South African manufacturing, 1960-77
T2  - Discussion paper
PY  - 1981///
CY  - Ann Arbor
PB  - Center for Research on Economic Development, University of Michigan
KW  - Employment (Economic theory)
KW  - Employees, Rating of
KW  - South Africa
ER  -