Philippines 2014 and 2015: Mindanao (Sultanat Kudarat) and Luzon (Kalinga and Cagayan-Sta. Teresita). SPECIAL ORDER BHB Volume 61
112 pp.; Rafael Camargo, Joel Despain & Michael Laumanns. Berlin 2016. Mindanao (Sultanat Kudarat) and Luzon (Kalinga and Cagayan-Sta. Teresita). Presents the results yielded by two expeditions who targeted previously untouched caving areas in the Philippines: the mountainous karsts of Sultanat Kudarat and Kalinga provinces as well as the coastal cone karst of Sta. Teresita. Sixty-nine caves with a total of about 12.5 km of passages are described in detail. Includes area maps and an in-depth chapter on the biospeleology of Luzon Island. In English.
 "Philippines 2014 and 2015: Mindanao (Sultanat Kudarat) and Luzon (Kalinga and Cagayan-Sta. Teresita). SPECIAL ORDER BHB Volume 61")
