1. The resistivity method in the evaluation of geothermal resources. Application to Chaves geothermal field;Afonso,1994
2. Nota preliminar sobre a geoquímica das águas termais de Chaves;Aires-Barros;Geociências, Revista da Universidade de Aveiro,1991
3. The low temperature geothermal system of Chaves (Northern Portugal): a geochemical approach;Aires-Barros,1994
4. Elemental and isotopic geochemistry in the hydrothermal area of Chaves/Vila Pouca de Aguiar (Northern Portugal);Aires-Barros;Environmental Geology,1995
5. Inventário hidrológico de Portugal, II. Trás-os-Montes e Alto Douro;Almeida,1970