VARGA, P.; LEXA, J.; UHLÍK, P.; RAJNOHA, M. Characterization of perlites from Jastrabá and Lehôtka pod Brehmi deposits. Geology, Geophysics and Environment, [S. l.], v. 41, n. 1, p. 146, 2015. DOI: 10.7494/geol.2015.41.1.146. Disponível em: https://journals.agh.edu.pl/geol/article/view/1461. Acesso em: 3 may. 2024.