TY  - BOOK
AU  - Engles, Fredrick
TI  - Dialectics of  nature/ Fredrick Engles; translsted from the German by Clemens Dutt
U1  - 501 
PY  - 1972///
CY  - Moscow
PB  - Progress Publisher
KW  - Engels, Fredrick
KW  - Nature dialectes
ER  -