000 00524nam a2200217Ia 4500
008 230524s9999 xx 000 0 und d
020 _a038707192X
040 _cUDSM
050 _aQR89.7.B87
100 _aBurns, Richard C.
245 0 _aNitrogen fixation in bacteria and higher plants
260 _aNew York
260 _bSpringer-Verlag
260 _c1975
300 _ax,189p.
300 _c25cm.
650 _aNitroigen
700 _aill.
942 _2Library of Congress Classification
942 _cBook
999 _c28268
_d28268