000			00516 a2200181 4500
082			_a631.372 _bJOH
090			_c18520 _d28665
100			_aJohnson, Elmer J.
245			_aServicing and maintaining farm tractors
260			_aNew York _bMcGraw-Hill _c1950 _g1950
300			_axvi,313p. _c23cm
650			_aAgriculture and related technologies
650			_aTractors
650			_aPower and power machinery
650			_aTools, machinery, apparatus, equipments
700			_aHollenberg, Alvin H.
942			_cL
999			_c46360 _d46360