TY  - BOOK
AU  - Rolczynski,John
TI  - Outstanding aspects in the perfection of grain harvesting
PY  - 2008///
CY  - Grand Forks, ND
PB  - J. Rolczynski
KW  - Grain
KW  - Harvesting
KW  - Technological innovations
KW  - History
KW  - Harvesting machinery
ER  -