00540     2200193   4500001002100000005001500021008004100036035002000077082001000097084001600107100001500123245006500138260003600203300002700239650002000266650001700286650002300303990002000326INLIS00000000000080120260702113303260702                           0        a0010-1021000801  a574.6  a574.6 NEW r  aNewton, W.1 aRecent development in netrogen fixation /cW. Newton (et.al)  aLondon :bAcademic Press,c1977  a622 p. : ill. ;c29 cm 4aANIMAL BREEDING 4aDEVELOPMENT. 4aNITROGENT FIXATION  a10/BPT-C/2000/C