Martel in the Slovene Karst in 1893 : Translated from his Publications and Correspondence by Trevor Shaw

von Martel, E. A., Shaw, Trevor
Umfang/Format: 1 online resource (88 pages).

The Iskender-I-Birkilin caves in the 9th and 12th centuries B.C

von Halliday, William R., 1926-
Veröffentlicht in The NSS bulletin., v. 57, no. 2, (Dec. 1995)
[Huntsville, Ala.] : National Speleological Society, 1996.
Umfang/Format: pages 108-110 : illustrations ; 28 cm.