TY  - BOOK
AU  - Maack,O.
TI  - Separation of potatoes and stones on the basis of resilience and rolling
U1  - 631.35 M11S 
PY  - 1957///
CY  - Bedford, U.K.
PB  - National Institute of Agrcultural Engineering
KW  - POTATO HARVESTING MACHINERY
KW  - AGRICULTURAL ENGINEERING
ER  -