TY  - BOOK
AU  - Maack, O.
TI  - Mechanical separation of potatoes and stones
U1  - 631.35 M11M 
PY  - 1957///
CY  - Bedford, U.K.
PB  - Scientific Department, National Institute of Agricultral Eng
KW  - POTATO HARVESTING MAVHINERY
ER  -