Resources on the Speleology of Meghalaya State, India. Part 7: Khaddum (East Jaintia Hills District) BHB Volume 67
BY Herbert Daniel Gebauer. 102 pp., colour photo tables and maps, many surveys; Berlin 2017.
Sixty-one caves are presented in this volume in detail, including Pielkhlieng Pouk which was so far surveyed to a length of 9,660 m and explored to over 12.6 km. Many of these caves are not fully explored yet. Twenty-seven caves not yet visited are mentioned, emphasizing the cave potential in the Khaddum area for future explorers. In English language.
 "Resources on the Speleology of Meghalaya State, India. Part 7: Khaddum (East Jaintia Hills District) BHB Volume 67")
