TY  - BOOK
AU  - Heyer,Paul
TI  - Nature, human nature and society: Marx, Darwin, biology and human sciences 
T2  - Contributions in philosophy (Greenwood Press, Westport)
SN  - 0-313-23161-3
U1  - 301.01 21E
PY  - 1982///
CY  - Westport
PB  - Greenwood Press
N1  - Index; Bibliogr. p. 238-258
ER  -