Angelkov, K., and Parvanov, B., 1980, The Assarel porphyry copper deposit, Bulgaria, in Jankovi?, S., and Sillitoe, R.H., eds., European copper deposits: Belgrade, Society for Geology Applied to Mineral Deposits (SGA), UNESCO-IGCP International Symposium, Bor, Yugoslavia, September 1822, 1979 [Proceedings], p. 5962.
Assarel-Medet JSC, 2011, Assarel-Medet JSC home page: accessed September 1, 2011, at http://www.asarel.com/en/About/Profile.aspx.Bogdanov, B.D., 1982, Bulgaria, in Dunning, F.W., Mykura, W., and Slater, D., eds., Mineral deposits of Europe, Volume 2Southeast Europe: London, The Institution of Mining and Metallurgy and the Mineralogical Society, p. 215232.
Bogdanov, B.D., 1983, Porphyry copper deposits of Bulgaria: International Geology Review, v. 25, no. 2, p. 178188. (Also available at http://dx.doi.org/10.1080/00206818309466690.)Eliopoulos, D.G., Economou-Eliopoulos, M., Strashimirov, S., Kovachev, V., and Zhelyskova-Panayotova, M., 1995, Gold, platinum and palladium content in Cu-deposits from BulgariaA study in progress in Congress of the Carpatho-Balkan Geological Association, 15th, Athens, Greece, September 1720, 1995, Proceedings: Athens, Geological Society of Greece Special Publication 4, p. 712716.
Herrington, R.J., First, D.M., and Kozelj, D., 2003, Copper porphyry deposits in Hungary, Serbia, Macedonia, Romania and Bulgaria, in Kelly, J.G., and others, eds., Europes major base metal deposits: Irish Association for Economic Geology (IAEG) Conference, Dublin, May 2000, p. 303321.
Kamenov, B.K.; Yanev, Yotzo; Nedialkov, Rossen; Moritz, Robert; Peytcheva, Irena; von Quadt, Albrecht; Stoykov, Stanislav; and Zartova, Aneta, 2007, Petrology of Upper Cretaceous island-arc ore-magmatic centers from Central Srednogorie, BulgariaMagma evolution and paths: Sofia, Bulgaria, Geochemistry, Mineralogy and Petrology, v. 45, p. 3977. (Also available at http://www.geology.bas.bg/mineralogy/gmp_files/gmp45/39-77kamenov.pdf.)Petrunov, R., Dragov, P., and Neykov, H., 1990, Polyelemental (with As, Sn, V, Bi, Ag, Te, Ge, Se, etc.) mineralizations in the Asarel porphyry copper deposit (Bulgaria): Geologica Balcanica, v. 20, no. 4, p.48.
Peytcheva, I., von Quadt, Heinrich, C.A., Nedialkov, R., Neubauer, F., A., and Moritz, R., 2007, Medet and Assarel Cu-porphyry deposits in Central Srednogorie SE EuropeWere they a common magmatic and hydrothermal system?, in Andrew, C.J., and Borg, G., eds., Mineral exploration and researchDigging deeper: Society for Geology Applied to Mineral Deposits (SGA) Biennial Meeting, 9th, Dublin, Ireland, August 2023, 2007 [Proceedings], v. 2, p. 881884. (Abstract also available at https://www.e-sga.org/index.php?id=228&tx_commerce_pi1%5BshowUid%5D=1134&tx_commerce_pi1%5BcatUid%5D=39&cHash=0f5bf3d02d.)Popov, P., Strashimirov, S., Arnaudova, R., Kanasirski, M., and Popov, K., 1996, Geology and genetical model of the porphyry copper deposits from the Assarel-Medet ore field, in Popov, P., ed., Plate tectonic aspects of the Alpine metallogeny in the Carpatho-Balkan region: UNESCO-IGCP Project No. 356 Annual Meeting, Sofia [Proceedings], v. 1, p. 175196.
Singer, D.A., Berger, V.I., and Moring, B.C., 2008, Porphyry copper deposits of the worldDatabase and grade and tonnage models, 2008: U.S. Geological Survey Open-File Report 2008-1155, [45] p. and digital data, accessed December 31, 2013, at http://pubs.usgs.gov/of/2008/1155/.Tarkian, M., and Stribrny, B., 1999, Platinum-group elements in porphyry copper depositsA reconnaissance study: Mineralogy and Petrology, v. 65, p. 161183. (Also available at http://dx.doi.org/10.1007/BF01161959.)von Quadt, A., Peytcheva, I., Fanger, L., and Heinrich, C., 2005, The Elatsite porphyry Cu-Au deposit, BulgariaOre depositLat. 42° 45? N, Long. 24° 02? E: Ore Geology Reviews, v. 27, p. 128129. (Also available at http://dx.doi.org/10.1016/j.oregeorev.2005.07.022.)Zartova, Aneta; Nedialkov, Rossen; and Moritz, Robert, 2004, Petrology of the magmatism of the Assarel copper-porphyry deposit: Bulgarian Geological Society Annual Scientific Conference Geology 2004, Sofia, Bulgaria, December 1617, 2004 [Proceedings], p. 113115. (Also available at http://www.bgd.bg/CONFERENCES/Conferencia_2004/pdf_files/Zartova%20et%20al..pdf.)