The calendar of the Bharath, then and now - Mahalingam, N., Dr., 1923-; Sampath Iyengar, G. S. (Gorur Sreenivasamurthy) , 1915-; Seshagiri, G. S. (Gorur Sampath) , 1955- (Madras : The International Society for the Investigation of Ancient Civilizations, 1987)
Keywords: Calendar, Hindu -- India; Astronomy -- Hindu; Calendar, Gregorian