MITCHELL, J. G. Krypton isotopes in neutron-irradia ted minerals: use in evaluating samples for 87Rb/87Sr dating. Geofísica Internacional, [S. l.], v. 22, n. 2, p. 137–144, 1983. DOI: 10.22201/igeof.00167169p.1983.22.2.875. Disponível em: http://revistagi.geofisica.unam.mx/index.php/RGI/article/view/812. Acesso em: 17 may. 2024.