MALLIK, A. K. Precession of the Earth’s Axis. Himalayan Physics, [S. l.], v. 1, p. 83–84, 2011. DOI: 10.3126/hj.v1i0.5187. Disponível em: https://www.nepjol.info/index.php/HP/article/view/5187. Acesso em: 26 apr. 2024.