00699     2200181   4500001002100000005001500021020001800036035002000054082001100074084001500085110003100100245024100131260005100372300003300423650002400456650002800480990000900508INLIS00000000000033820200909115705  a0-7923-1774-2  a0010-0920000030  a631.81  a631.81 B -0 aKluwer Academic Publishers1 aBiological Nitrogen Fixation For Sustainable Agriculture :bExtended Versions Of Papers Presented In The Symposium, Role Of Biological Nitrogen Fixation In Sustainable Agriculture At The 13th Congress Of Soil Science, Kyoto, Japan, 1990  aDordrecht :bKluwer Academic Publishers,c1992  axi, 209 hlm. :bilus.; 26 cm 4aBIOLOGICAL NITROGEN 4aSUSTAINABLE AGRICULTURE  a3014