000 00360nam a2200157Ia 4500
008 140317s9999 xx 000 0 und d
082 _a589.9
100 _aStacey,Gary
245 _aBiological nitrogen fixation.
260 _aN.Y.
_bChapman , Hall
_c1992
300 _a943
650 _aBotany
653 _aBotany
700 _aOthers
942 _2ddc
_cBK
999 _c13524
_d13524