Second List of Nebulae and Clusters Observed at Bangalore with the Royal Society's Spectroscope
Second List of Nebulae and Clusters Observed at Bangalore with the Royal Society's Spectroscope
Second List of Nebulae and Clusters Observed at Bangalore with the Royal Society's Spectroscope. Herschel, J Proceedings of the Royal Society of London (1854-1905). 1868-01-01. 17:58–60