SINHA, Anshu K. Calcareous Nannofossils from Simla Hills, (Himalaya, India) with a Discussion of their Age in the Tectono-Stratigraphic Column. Journal of Geological Society of India, [S. l.], v. 16, n. 1, p. 69–77, 1975. Disponível em: https://geosocindia.com/index.php/jgsi/article/view/63504. Acesso em: 20 sep. 2024.