Structural Prerequisites of Speleogenesis in Gypsum in the Western Ukraine, autographed with presentation postcard by Alexandar Klimchouk
Structural Prerequisites of Speleogenesis in Gypsum in the Western Ukraine, autographed with presentation postcard by Alexandar Klimchouk, 1995, In Russian and English. $10.00
 "Structural Prerequisites of Speleogenesis in Gypsum in the Western Ukraine, autographed with presentation postcard by Alexandar Klimchouk")
