000 00315 a2200145 4500
020 _a925100157
082 _a630.711
_bFOF
245 _aFarming with animal power
260 _aRome:
_bFAO,
_c1977.
300 _a57p.
500 _aHB
546 _aEng
650 _aAnimals-Economic aspects
_9107953
942 _cBK
999 _c14685
_d14685