Karst and Caves of South Vietnam. Part 3: The Caves of Krong No Volcanic Geopark (Dak Nong province BHB Volume 74
70 pp., colour photo tables and maps, many surveys; Berlin 2018. The Krong No Volcanic Geopark hosts the longest lava cave of SE Asia (C7 Cave at 1,067 m) and also most of the other long pyroducts of SE Asia. This volume compiles all the caves known from the Geopark to date and describes 49 caves with a total of passages of 10.1 km. There are also biospeleological remarks, an up-to-date summary on the speleogenesis of lava caves and a chapter on the archaeology of the Krong No caves. In English, with a Vietnamese, French, and German abstract.
 "Karst and Caves of South Vietnam. Part 3: The Caves of Krong No Volcanic Geopark (Dak Nong province BHB Volume 74")
