1. Ultraviolet solar radiation related to mesospheric processes;Ackerman,1971
2. Structure of the Schumann-Runge bands from the 0-0 to the 13-0 band;Ackerman;J. molec. Spectrosc.,1970
3. New ultraviolet solar flux measurements at 2000 A using a balloon borne instrument;Ackerman,1971
4. High resolution study of the C2Π-X2Π emission bands of the NO molecule;Ackermann;J. molec. Spectrosc.,1969
5. Fine structure analysis of NO absorption bands in the Schumann region;Barrow,1957