00523nam a2200157Ia 4500008004100000082002100041100002500062245005500087260003400142300001300176600002900189650002200218942000700240952010100247999001700348140224s9999    xx            000 0 und d  a581.138.1:574 M8  aSubba Rao, N.S., ed.  aBiological nitrogen fixation, recent developments/  aNew DelhibOxford & IBHc1988  axi,337p.  aEdited by N.S. Subba Rao  aNitrogen fixation  cBK  00104070aKSDbKSDd2014-02-24l0o581.138.1:574 M8p4880r2014-02-24 00:00:00w2014-02-24yBK  c91930d91930