Vimana Dala Vakra Vichara Planetary Circles In Drigolla Dayanath Jha Mithila Institute Darbhanga ( Astronomy) Varuna Ganguly
(1) The Adolfo Stahl Lectures in Astronomy Delivered in San Francisco, California, in 1916–17 and 1917–18, under the Auspices of the Astronomical Society of the Pacific (2) Planetary Rotation Periods and Group Ratios H. C. P.
Thomas S. Kuhn The Copernican Revolution. Planetary Astronomy In The Development Of Western Thought Thomas Kuhn