00492     2200181   4500001002100000008004000021035002000061245006300081100001500144260003300159300002500192084000600217082000700223650002000230650002300250650001700273990002000290INLIS000000000000801                                   In    a0010-1021000801  aRecent development in netrogen fixationcW. Newton (et.al)  aNewton, W.  aLondonbAcademic Pressc1977  a622 p. : ill.c29 cm  a-  a35  aANIMAL BREEDING  aNITROGENT FIXATION  aDEVELOPMENT.  a10/BPT-C/2000/C