TY  - BOOK
AU  - Pluckrose,Henry
ED  - Blackwell Education
TI  - Machines on the farm
SN  - 0631165517
U1  - 372.35 23
PY  - 1990///.
CY  - Oxford: 
PB  - Blackwell Education, 
KW  - Science
KW  - Study and teaching (Elementary)
ER  -