1. The Galathea Deep Sea Expedition, 1950-1952: Described by Members of the Expedition;Bruun,1956
2. The hadal community, an introduction;Wolff;Deep Sea Res,1959
3. Deep Sea Ocean trenches and their fauna;Belyaev,1989
4. Bottom fauna of the ultra-abyssal depths of the world ocean [in Russian];Belyaev;Akad Nauk SSSR, Tr Inst Okeanol,1966
5. Loss of the full ocean depth ROV kaiko - part 1: ROV kaiko - a review;Momma;Proceedings of the International Offshore and Polar Engineering Conference,2004