TY  - BOOK
AU  - Okorokov, I.F.
TI  - On the theory of vibrational threshing
U1  - 631.36 O30O 
PY  - 1962///
CY  - Bedford, U.K.
PB  - National Institute of Agricultural Engineering
KW  - THRESHING MACHINES -- VIBRATION
ER  -