000 00630nam a2200241Ia 4500
008 141004s9999 xx 000 0 und d
020 _a0 07 084087 3
040 _ca
041 _aEnglish
082 _a572.545
082 _bSPR/BI
100 _aJanet I Sprent
245 _cJanet I Sprent
245 4 _aThe biology of Nitrogen-fixing organisms
260 _aNew York
260 _bMcGraw Hill international editions
260 _c1979
300 _a196 p.
300 _b23.5 cm
501 _a5A1
650 _aNitrogen fixation
942 _cBK
999 _c301614
_d301614