000 00280nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _a"Quispel (A), Ed"
245 0 _aBiology of nitrogen fixtion
260 _bNorth Holland
260 _c1974
365 _b10.00
942 _cBK
999 _c203372
_d203372