000 00276 a2200121 4500
080 _a631.517
_bA 832 E
245 1 _aAgricultural mechanization
_bVol. I
260 _bA.P.O.
_c1968
650 _aAgricultural Mechanization
100 _a
_d
300 _a356 p.
901 _a120238
999 _c81124
_d81124