• Fluid flow optimization on semiautomatic code marker baseAleksandrov, Dmitri; Penkov, IgorJournal of energy and power engineering2012 / p. 916-920 : ill https://www.academia.edu/84941764/Fluid_Flow_Optimization_on_Semiautomatic_Code_Marker_Base?uc-sb-sw=19159372
• Fluid flow optimization on semiautomatic code marker baseAleksandrov, Dmitri; Penkov, Igor8th International Symposium "Topical Problems in the Field of Electrical and Power Engineering" : Doctoral School of Energy and Geotechnology. II : [Pärnu, January 11-16, 2010 : proceedings]2010 / p. 306-308 : ill