00748nam a2200205Ia 4500003000900000008004100009040001600050080002500066100002200091245015500113260003100268300002300299650001900322650002600341700002100367700002800388942000700416999001700423952010200440IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a084.4:523.982.2bWAL  aWallace, L917424 0aSunspot umbral spectra in the regions 1925 to 2226 and 2392 to 3480 cm-1 (2.87 to 4.18 and 4.48 to 5.35 m)cL. Wallace, K. Hinkle and W. C. Livingston  bNational Solar Observatory  a[various pagings.]  aSunspot922747  aUmbral spectra925280  aHinkle, K923546  aLivingston, W. C925281  cBK  c14529d14529  00104070aBANbBANcGENd2002-03-07l0o084.4:523.982.2/ WALp15451r2021-11-05w2002-03-07yBK