Translated Jeff Matthews
TURISMO Y PAISAJES KÁRSTICAS / TOURISM AND KARST AREAS, vol. 8, n°1, 2015, the journal of the Brazilian Speleological Society is now available as a free .pdf download. The journal is 75 pages with excellent color photography throughout. The journal articles are in Portuguese, but they all have abstracts in English.
This link: TOURISM AND KARST AREAS 2015