000 00277nam a2200097Ia 4500
008 120224s9999 xx 000 0 und d
082 _a581.133
_bGAL
100 _aGallon, John R.
245 _aIntroduction to nitrogen fixation
260 _bCassell Educational
_aLondon
_c1987
999 _c133602
_d133602