TY  - BOOK
AU  - Wallace, L.
AU  - Bernath, P. F.
AU  - Ram, R. S.
TI  - An atlas of the sunspot umbral spectrum in the red and infrared from 8900 to 15,050 cm-1 (6642 to 11,230 A)
PY  - 1998///
CY  - Tucson
PB  - National Optical Astronomy Observatories
KW  - Atlas-Sunspots, Sunspots-Atlas
ER  -