00594nam a2200169Ia 4500003000900000008004100009040001600050080002200066100001600088245018600104260004500290490003200335650001000367650001300377700001500390700001900405IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a084.4:523.74bWAL  aWallace, L. 3aAn atlas of sunspot umbral spectra in the visible from 15000 to 25500cm-1 (3920 to 6664 A)cL. Wallace, K. Hinkle and W. Livingston                                                    aTucsonbNational Solar Observatoryc2000  aNSO technical report; no. 1  aAtlas  aSunspots  aHinkle, K.  aLivingston, W.