FOLSOM, T. R. Rational reference levels for Pacific coast radioactive pollution studies supplied by samples from northern Baja California. Geofísica Internacional, [S. l.], v. 13, n. 2, p. 145–160, 1973. DOI: 10.22201/igeof.00167169p.1973.13.2.1001. Disponível em: http://revistagi.geofisica.unam.mx/index.php/RGI/article/view/1543. Acesso em: 21 may. 2024.