00636nam a2200205Ia 4500 IN-BaIIA 211028s9999 xx 000 0 eng d IIA Library 084.4:523.982.2 WAL Wallace, L 17424 Sunspot umbral spectra in the region 4000 to 8640 cm-1 (1.16 to 2.50 m) L. Wallace, K. Hinkle and W. C. Livingston Arizona National Solar Observatory 2001 [various pagings.] Atlas Sunspot 22747 Umbral spectra 25280 Hinkle, K 23546 Livingston, W. C 25281 BK 14288 14288 0 0 0 0 BAN BAN GEN 2001-10-09 0 084.4:523.982.2/ WAL 15208 2021-11-05 2001-10-09 BK