TY  - BOOK
AU  - Gutyar, E.M
TI  - Basic theory of a vertical screw conveyor
U1  - 631.3 G97B 
PY  - 1956///
CY  - Bedford U.K
PB  - National Institute of Agricultural University
KW  - CONVEYING MACHINERY
KW  - AGRICULITURAL ENGINEERING
ER  -