000 00418nam a2200169Ia 4500
008 130223s9999 xx 000 0 und d
080 _a631.461.5
100 _aHamdi, Y.A.
245 _aApplication of nitrogen-fixing systems in soil management
260 _aRome
260 _bF.A.O.
260 _c1982
300 _a188 p.
440 _aNo. 49; F.A.O. soils bulletin
901 _pS35388
942 _cB
_2udc
999 _c152751
_d152751