HIKOV, A., VELINOVA, N., GEORGIEVA, S., & KUNOV, A. ALUMINIUM-PHOSPHATE-SULPHATE (APS) MINERALS IN BULGARIA: CHARACTERISTICS AND POSSIBILITY FOR PRESERVATION.

Stamatova, I. V., Kunov, A. Y., & Stanchev, C. D. (2004). Geocronite and Bournonite from Occurrence Klisoura (Western Srednogone, Bulgaria). Comptes Rendus de l'Academie Bulgare des Sciences, 57(10), 53.

Hikov, A., N. Velinova, S. Georgieva, A. Kunov (2011) Aluminium-phosphate-sulphate (APS) minerals in Bulgaria: characteristics and possibility for preservation. - In: V Intern. Symp. “Mineral Diversity Research and Preservation”, 9-15 October 2009, Sofia, Working papers, 37-48.

Reference Search (possible matching items)

	*Beron, Petar, Daaliev, Trifon, Jalov, Alexey (2006) Caves and Speleology in Bulgaria. Pensoft Publishers / Bulgarian Federation of Speleology / National Museum of Natural History - Sofia, Sofia.*	Book
	Daaliev Alexey Jalov Caves and Speleology in Bulgaria Bulgarian Federation of Speleology National Museum...Museum of Natural History CAVES AND SPELEOLOGY IN BULGARIA 1 CyanMagentaYellowBlack Peshteri page 2 2...Daaliev Alexey Jalov \ CAVES AND SPELEOLOGY IN BULGARIA Pensoft Publishers Bulgarian Federation of Speleology...Museum of Natural History - Sofia 2006 3 CAVES AND SPELEOLOGY IN BULGARIA © Petar Beron, Trifon Daaliev...Speleology © National Museum of Natural History - Sofia First Published 2006 ISBN-10: 954-642-241-X (Pensoft
	*Gunn, John (2003) Encyclopedia of Caves and Karst Science. Routledge.*	Book
	Eastern Desert, about 70 km southeast of Beni-Suef city, an unusual cave in alabaster was intersected by...Limeworks Cave. This huge cave is in the Northern Province (old Transvaal) about 300 km north of the Johannesburg...Eastern Cape. The Gaap Plateau, Northern Cape Province is pockmarked by closed depressions with ephemeral...down Cairo Road in the city centre. Despite construction of flood drains the city was flooded again in...Quartzite karst has developed in eastern Mpumalanga Province, South Africa (see Silicate Karst) where dolines
	*Ahrens, L. H. - Ed.* (1968) Origin and Distribution of the Elements. Elsevier. doi:10.1016/c2013-0-02126-3**	Book
	Pergamon Press Inc., 44-01 21st Street, Long Island City, New York 11101 Pergamon of Canada Ltd., 207 Queen's...Renard Ottawa Mooresfort Bath Tadjera Rose City Forest City Knyahinya Estacado Richardton 1-27 1-20 1-21...Renard Ottawa Mooresfort Bath Tadjera Rose City Forest City Knyahinya Estacado Richardton 10-93 10-41...Renard Ottawa Mooresfort Bath Tadjera Rose City Forest City Knyahinya Estacado Richardton 20-90 10-31...WIIK, H. B. (1965) The composition of the Forest City, Tennasilm, Weston and Geidam meteorites. Amer.

Pyrite from Klisura, Bankya, Stolichna Municipality, Sofia City Province, Bulgaria

Pyrite from
Klisura, Bankya, Stolichna Municipality, Sofia City Province, Bulgaria