Velinov,T and K. Bojadgieva (1981) - Geothermal investigations in Bulgaria, Technika, S. pp.154. (in Bulgarian)
Velinov,T. and Bojadgieva,K. (1982) - Geothermal investigations in oil-bearing fields. In: Geothermics and Geothermal energy, Eds.V.Cermak and R.Haenel, E.Schweizerbartsche Verlagsbuchhandlung Stuttgart, pp.169-174.
Bojadgieva,K. (1990) - Interpretation of the temperature data of the Ellidaar geothermal field, SW Iceland. UNU Geothermal Training Programme, Reykjavik, Iceland, Report 4, pp.36.
Bojadgieva,K., Petrov,P., Gasharov,S. and Velinov,T. (1991/1992) - Bulgaria (National report). In: Geothermal Atlas of Europe (Explanatory Text), Eds. E.Hurtig,V.Cermak,R.Haenel and V.Zui, Hermann Haack Verlagsgesellshaft GmbH, pp.16-18.
Bojadgieva,K., Hristov,H. and V.Hristov (1995) - Geothermal energy utilization in Bulgaria within the period 1990-1994. Proceedings. World Geothermal Congress 1995, Florence ,Italy. pp.57-66.
Bojadgieva,K. (1998) - Geothermal energy development in Bulgaria. UNU, Geothermal Training Programme,Reykjavik,Iceland,pp.91-99.
Bojadgieva,K., Gasharov,S. and S.Vesselinov (1998) - Geothermal Study of the Hydrogeological Regime in the Region of Doubrudja Coal Deposit (NE Bulgaria). Bulg.Geoph.J.Vol.XXIV,No3-No4,S.127-136.
Bojadgieva,K., Shterev,K., Hristov.H. and M.Balabanov (1999) - Complex Utilization of geothermal waters in the town of Sapareva Banja (SW Bulgaria), High priority national project, World Solar Programme, S.,Bulgaria,pp.38.
Bojadgieva,K., Hristov,H., Hristov,V. and A.Benderev (2000) - Status of geothermal energy in Bulgaria. Proceedings World Geothermal Congress2000, Kyushu-Tohoku,Japan,May28-June10,2000, pp. 93-98.
Hristov,H., Nikolova,N. and Bojadgieva, K. (2000) - Utilization of geothermal waters for space heating in Bulgaria. Proceedings World Geothermal Congress2000, Kyushu-Tohoku,Japan,May28-June10,2000, pp. 3447-3452.
Hristov,V., Bojadgieva,K. and Benderev,A. (2000) - Dissolved helium as indicator for geothermal water prospecting. Proceedings World Geothermal Congress2000, Kyushu-Tohoku,Japan,May28-June10,2000, pp. 1253-1258.
Bojadgieva K. and S. Gasharov (2001) Catalogue of geothermal data of Bulgaria, GorexPres,S.pp.163.
Bojadgieva, K., Dipchikova, S.,Benderev, A and J.Kosseva (2002) - Thermal waters and balneology in Bulgaria. In: Geo-Heat Center Quarterly Bulletin, Klamath Falls, Oregon 97601-8801, OIT, vol.23, N1, March 2002, pp.18-25.
Hristov,H. and Bojadgieva,K. (2003) - Heat pumps application in Bulgaria. European Geothermal Conference,25-30 May,2003,Szeged,Hungary(CD, Index P-9-01).
Fournadzieva,S., Bojadgieva,K., and Pilarski,P. (2003) - Bulgarian experience in aquaculture (microalgae) - cultivation, production and development. European Geothermal Conference,25-30 May,2003,Szeged,Hungary(CD, Index P-6-01).
Bojadgieva,K., Hristov,H., Hristov,V., Benderev,A. and V.Toshev (2005) - Geothermal update for Bulgaria (2000-2005). Proceedings World Geothermal Congress 2005, Antalya, Turkey,24-29 April 2005.
Bojadgeva,K., Hristov,V., B.Srebrov., T.Harinarayana and K.Veeraswamy (2006) - Temperature investigations in Polyanovo hydrothermal reservoir (SE Bulgaria). Bulg.Geophys.Journal, vol.32, Geophysical Institute, BAS, Sofia.
Bojadgieva,K., Hristov,V., and A.Benderev (2007) - General overview of geothermal energy in Bulgaria. J.Acta Montanistica Slovaca, vol.12.pp. 86-91.
Bojadgieva,K.,Hristov,V and B.Srebrov (2007)- Temperature field study of fractured hydrothermal reservoirs in SE Bulgaria (Bourgas basin). Journal of the Balkan Geophysical Society, v.10, No.1, Feb.2007, pp.8-15.
Op’t Veld,P., Roijen,E., Bojadgieva,K., Benderev,A.,Hristov,V. and T.Kehaiov (2008) - Potential use of geothermal energy from abandoned coal mines (REMINING-LOWEX PROJECT). SGEM 2008, Conference Proceedings, Volume 11,16-20 June,2008, Albena, Bulgaria, pp. 319-326.
Bojadgieva,K. (2008) - Status and outlook of geothermal development on the Balkan Peninsula, 30th Anniversary Workshop, August 26-27, 2008, UNU, GTP, Reykjavik, Iceland. (http://unugtp.is/id/11247)
Trifonova, P., Zh. Zhelev,T. Petrova, K. Bojadgieva (2009) - Curie point depths of Bulgarian territory inferred from geomagnetic observations and its correlation with regional thermal structure and seismicity. Elsevier, Tectonophysics, 437, pp. 362-374.
Bojadgieva,K., Hristov.H., Hristov.V.,Benderev.A., Toshev,V. and K.Barokov (2010) - Bulgaria-geothermal update report, Proceedings, WGC’2010, Bali, Indonesia 25-30 April.
Bojadgieva,K., Hristov.V. and A.Benderev (2010) - Aspects of regional water use in Bulgaria. Proceedings, WGC’2010, Bali, Indonesia, 25-30 April.
Hristov,V., Benderev,A and K.Bojadgieva (2010) - Assessment of hydrogeological and hydrochemical conditions in Kazanlak basin (Bulgaria) (2010) - Proceedings, WGC’2010, Bali, Indonesia 25-30 April.
Op’t Veld, P., Malolepszy,Z., Bojadgieva, K. and J.Vetrsek (2010) - Geothermal development of low temperature resources in European coal min ing fields, the EC REMINING-Lowex Project (2010) - Proceedings, WGC’2010, Bali, Indonesia 25-30 April.
Last update 20.10.2010