Slovenian Academy of Science and Art

Yugoslavia-Slovenia 

	Acta Carsologica 

		1959 Nos 1,2 
		1966 No 4 

	Yugoslavian Speleological Congress 

		1st Session 21/24 Jan 1954 Postojna 

	Geographical Institute 

		1968 The Karstic region between the Idrijca and Vipava rivers. 

	Yugoslavian Geological Congress 

		23/27 may 1954 Bled 

	Bulletin de la Societe de Geographie de Ljubljana 

		1964