000 00508nam a2200157Ia 4500
008 170324s9999 xx 000 0 und d
082 _a589.950
100 _aInternational Congresses on Nitrogen Fixation (9th
245 0 _a"New horizons in nitrogen fixation: proceedings of the 9th International Congresses on Nitrogen Fixation, Cancun, Mexico, December 6-12, 1992"
260 _bKluwar Academic Publishers
260 _c1993
365 _b0.00
700 _aKeith B
700 _aTierney
942 _cBK
999 _c3795
_d3795