000 00300nam a2200121Ia 4500
008 140113s9999 xx 000 0 und d
082 _a581.133.11 L8
100 _a"Postagate, John."
245 _aNitrogen fixation
260 _a1978
_bEdward Arnold(Pub)Ltd.
_cLondon
300 _a67
942 _cBK
999 _c60743
_d60743