00444nam a2200133Ia 4500008004100000082001600041100003400057245005200091260003600143300000800179942000700187952009900194999001700293140113s9999    xx            000 0 und d  a581.13   L4  a"Burns, R.C. & Hardy, R.W.F."  aNitrogen fixation in bacteria and higher plants  a1975bSpringer-VerlagcNew York  a189  cBK  00104070aVTLbVTLd2014-01-13l0o581.13   L4pVBK3080r2014-01-13 00:00:00w2014-01-13yBK  c59762d59762