TY  - BOOK
AU  - Engels,Frederick
TI  - Dialectics of nature
U1  - 501 23
PY  - 1954///,  [printing 1974]
CY  - Moscow
PB  - Progress Publishers
KW  - Science
KW  - Philosophy
KW  - Dialectical materialism
N1  - Translation of Dialetik der Natur; Bibliography: p. [374]-[382]
ER  -