Aryabhata and Axil Rotation of Earth: Khagola (The Celestial Sphere)
Amartya Kumar Dutta
Aryabhata and Axil Rotation of Earth: Khagola (The Celestial Sphere) - March 2006 - 51
Aryabhata and Axil Rotation of Earth: Khagola (The Celestial Sphere) - March 2006 - 51