BASSETT, A. M. Nepal Gem Tourmalines. Journal of Nepal Geological Society, [S. l.], v. 4, p. 31–41, 1987. DOI: 10.3126/jngs.v4i0.32551. Disponível em: https://nepjol.info/index.php/JNGS/article/view/32551. Acesso em: 25 nov. 2024.