Ultra-violet and daylight rays in the solar cycle.
APA Citation
Ashworth, J. R. (James Reginald). (1949). Ultra-violet and daylight rays in the solar cycle. Liverpool: University Press.
MLA Citation
Ashworth, J. R. (James Reginald), 1861-. Ultra-violet And Daylight Rays In the Solar Cycle. Liverpool: University Press, 1949.
Warning: These citations may not always be complete (especially for serials).