00541naa a2200181 a 450000100080000000500110000800800410001910000200006024500890008026000090016965300230017865300160020165300260021770000170024370000190026070000210027977300590030019655402014-01-22       1988    bl ---       0--  u    #d1 aSCHULMAN, H. M.  aNitrogen fixation by three species of leguminosae in the canafian high arctic tundra  c1988  aAstragalus alpinus  aO. arctobia  aOxytropis maydelliana1 aLEWIS, M. C.1 aTIPPING, E. M.1 aBORDELEAU, L. M.  tPlant. Cell and Environment.gv. 11, p. 721-728, 1988.