000 00309nam a2200133Ia 4500
008 161121s9999 xx 000 0 und d
100 _aHARDY (RWF);WILKINS (DA)
245 0 _aTractise on dinitrogen fixation
260 _cJohn Wiley & Sons
365 _b0
650 _aNIL
652 _a#N/A
942 _cBK
999 _c49273
_d49273