TY  - BOOK
AU  - Stefferud, Alfred,
CN  - S21
CN  - S21
CY  - Washington,
DA  - [1960]
ID  - 108543
KW  - Farm mechanization
KW  - Agricultural implements.
KW  - Agricultural machinery.
KW  - Power (Mechanics)
N1  - Edited by Alfred Stefferud.
PB  - U.S. Govt. Print. Off.
PP  - Washington,
PY  - [1960]
T1  - Power to produce.
TI  - Power to produce.
VL  - 1960
ER  -