Autor
Associazione nazionale universitaria antropologi culturali
1
CEGOT (Centro de Estudos de Geografia e Ordenamento do Território)
1
Instituto Universitario de Ciencias Ambientales (Madrid, Spain)
1
International Union of Anthropological and Ethnological Sciences. Commission on Nomadic Peoples
1
International Union of Speleology
1
Pan American Institute of Geography and History
1
Pan American Institute of Geography and History. Commission on Geography
1
Società speleologica italiana
1
Universidad Nacional de Educación a Distancia. Facultad de Geografía e Historia
1