TY  - BOOK
AU  - Creighton H C
AU  - Valentey D I
TI  - Theory of population: essays in Marxist research
U1  - 304.6 
PY  - 1978///
CY  - Moscow
PB  - Progress
KW  - Demography
KW  - Population
N1  - Tr. from the Russian
ER  -