000 00293nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aQuispes (A) Ed
245 0 _aBiology of nitrogen fixation
260 _b"North Holland, Netherland"
260 _c1974
365 _b240.00
942 _cBK
999 _c203686
_d203686