KRISHNAMURTHY, P.; SAWKAR, R. H. Earth Day 2011 Celebrations. Journal of Geological Society of India, [S. l.], v. 77, n. 6, p. 580–582, 2011. Disponível em: https://geosocindia.com/index.php/jgsi/article/view/58255. Acesso em: 20 sep. 2024.