Canby, V.M., Naftali, L., Alexandrov, M., 2003, Tertiary porphyry systems of the Macedonian-Bulgarian border regionA spectrum of related peripheral metal deposits, high-sulfidation alteration, and supergene environments, in Eliopoulos, D.G., and others, eds., Mineral exploration and sustainable development: Rotterdam, Millpress, Society for Geology Applied to Mineral Deposits (SGA) Biennial Meeting, 7th, Athens, Greece, August 24-28, 2003 [Proceedings], v. 2, p. 11451148.
Canby, V.M., Alexandrov, M., and Naftali, L., 2007, Porphyry copper CuAu(Mo) mineralization and related advanced argillic alteration at Ilovitza, southeastern Macedonia, 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. 1, p. 117120. (Abstract also available at https://www.e-sga.org/index.php?id=228&tx_commerce_pi1%5BshowUid%5D=962&tx_commerce_pi1%5BcatUid%5D=39&cHash=8bc0a3d7b1.)
Sirius Exploration PLC, 2005, Competent persons report on copper porphyry properties in Macedonia: Sirius Exploration PLC, 22 p.
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,  p. and digital data, accessed December 31, 2013, at http://pubs.usgs.gov/of/2008/1155/.