TY  - BOOK
AU  - Grigoryen,V
AU  - Myakishev,G
AU  - Yankousky,Ceorge
TI  - The forces of nature/ V.Grigoryen and G.Myakishev; translated from the russian by Ceorge Yankousky
U1  - 531.8 GRI 
PY  - 1967///
CY  - Moscow
PB  - MIR publishers
KW  - Forces (Physics)
KW  - Gravitational force
ER  -