Katalin T. Biró
1.4. Carpathian obsidians : state of art
Sergey Ryzov
2.3. Obsidian outcrops in Ukrainian transcarpathians and their use during the Paleolithic time
Hiroyuki Sato et Miyuki Yakushige
2.5. Obsidian exploitation and circulation in Late Pleistocene Hokkaido in the northern part of the Japanese Archipelago