TY  - BOOK
AU  - Korobeinikov, A.I
TI  - Effect of air resistance on the accuracy of distribution of beet seed
U1  - 631.33 K94E 
PY  - 1967///
CY  - Bedford, U.K.
PB  - National Institute of Agricultural Engineering
KW  - DRILL
KW  - BEETS & BEET SUGAR
ER  -