00514naa a2200157 a 450000100080000000500110000800800410001910000200006024500890008026000090016965300620017870000170024070000190025770000210027677300590029719655402014-01-22       1988    bl ---       0--  u    #d1 aSCHULMAN, H. M.  aNitrogen fixation by three species of leguminosae in the canafian high arctic tundra  c1988  aOxytropis maydelliana, O. arctobia and Astragalus alpinus1 aLEWIS, M. C.1 aTIPPING, E. M.1 aBORDELEAU, L. M.  tPlant. Cell and Environment.gv. 11, p. 721-728, 1988.