00553nam a2200181Ia 4500003000900000008004100009040001600050080002500066100001500091245012000106260004600226300002300272650001000295650001200305650001900317700001400336700002100350IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a084.4:523.982.2bWAL  aWallace, L 0aSunspot umbral spectra in the region 4000 to 8640 cm-1 (1.16 to 2.50 m)cL. Wallace, K. Hinkle and W. C. Livingston  aArizonabNational Solar Observatoryc2001  a[various pagings.]  aAtlas  aSunspot  aUmbral spectra  aHinkle, K  aLivingston, W. C