TY  - BOOK
AU  - Elmer J. Johnson
AU  -  Alvin H. Hollenberg, 
TI  - Servicing and maintaining farm tractors
U1  - 631.372 
PY  - 1950///
CY  - New York
PB  - McGraw Hill Book Co Inc
N1  - Elmer J. Johnson & Alvin H. Hollenberg: Servicing and maintaining farm tractors.  New York.  McGraw Hill Book Co Inc, 1950.--(631.372JOH)
ER  -