000 00313nam a2200133Ia 4500
008 130225s9999 xx 000 0 und d
100 _aCollins, E.V.
245 _aFarm tractoe in Iowa
260 _aAmes
_c1919
300 _a1-8 p.
440 _aIowa Agricultural Experiment
901 _a22116
942 _cB
_2udc
999 _c3897
_d3897