Chávez-Pérez, O. (2008). Results of geophysical methods of new technology in Andalisia, Spain. Universidad Pedagógica y Tecnológica de Colombia - UPTC.
Lua i Stíl Chicago (17ú heag.)Chávez-Pérez, Orestes. Results of Geophysical Methods of New Technology in Andalisia, Spain. Universidad Pedagógica y Tecnológica de Colombia - UPTC, 2008.
Lua MLA (9ú heag.)Chávez-Pérez, Orestes. Results of Geophysical Methods of New Technology in Andalisia, Spain. Universidad Pedagógica y Tecnológica de Colombia - UPTC, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
