000 00493 a2200181 4500
020 _a9251003467
082 _a631.3
_bSEI
090 _c28817
_d50279
100 _aSeixas, J.
245 _aMachinery servicing organizations
260 _aRome
_bFood and agriculture organizatio of the united nations
_c1977
_g1977
300 _avii,97p.
_bill
_c30cm
440 _aFAO agricultural services bulletin 30
650 _aMachinery
650 _aAgriculture
650 _aEquipments
942 _cL
999 _c55409
_d55409