000 00356nam a2200133Ia 4500
008 130225s9999 xx 000 0 und d
100 _aHoffman, A.H.
245 _aTendency of tractors to rise in front; causes and remedies
260 _aBerkeley
_c1923
300 _a1-8 p.
440 _aCalifornia Agricultural Exper
901 _a18243
942 _cB
_2udc
999 _c2166
_d2166