000 00307nam a2200121Ia 4500
008 151015s9999 xx 000 0 und d
020 _a925100465x
100 _aStout, B.A
245 _aEnergy for world agriculturale
300 _a285 1979p.
500 _aFAO Agricultural series no. 7
942 _cFAO
_2udc
999 _c24711
_d24711