000 00372nam a2200133Ia 4500
008 130225s9999 xx 000 0 und d
100 _aFood and Agriculture Organization of the United Nations
245 _aOrganic material as fertilizer
260 _aRome
_bFAO
_c1975
300 _a394 p.
440 _aNo. 27; FAO, Soils Bulletin
901 _a144459
942 _cB
_2udc
999 _c11311
_d11311