003830000a22001450004500020001500000060000800015082002200023100001800045100001700063245003600080260003500116260000900151300001200160650006500172  a0471351385  a100  a589.041 33 HAR.03  aHardy,  R W F  aSilver,  W S  aTreatise on dinitrogen Fixation  aNewYork, John Wiley & Sons INC  c1977  aXii+673  aNitrogen- Fixation Micro- Organisms, Nitrogen Fixing legumes