TY  - BOOK
AU  - Donaldson,Graham Francis
ED  - Wye College, Wye, Eng. School of Rural Economics and Related studies .
TI  - Optimum harvesting systems for cereals : : an assesment for South-E ast England / 
U1  - 338.16 DON 
PY  - 1970///
CY  - Ashford : 
PB  - Wye College, School of Rural Economics and Related Stud ies, 
KW  - Grain
KW  - England
KW  - Harvesting
KW  - Costs
KW  - Harvesting Machinery
N1  -  Includes bibliographical references
ER  -