TY  - BOOK
AU  - Bernal, J. D.
TI  - The freedom of necessity
U1  - 501 
PY  - 1949///
CY  - London
PB  - Routledge & Kegan Paul LTD.
KW  - Science
KW  - Philosophy
KW  - Social sciences
N1  - Includes index
ER  -