Chandrasekara, M.G සිතියම් ප්රක්ෂේපණය = sithiyam prakshepanaya - Colaba: Lankawe Simasahita Eksath Praurthi Patra Samagama, 1963. - 160p.; 21cm Maps Subjects--Topical Terms: Astronomy Dewey Class. No.: 526.8 / CHA