Methodology for the improvement of large district heating networksVolkova, Anna; Mashatin, Vladislav; Hlebnikov, Aleksandr; Siirde, AndresScientific journal of Riga Technical University. Environmental and climate technologies2012 / p. 39-45 : ill Methodology for the improvement of large district heating networksVolkova, Anna; Mašatin, Vladislav; Hlebnikov, Aleksandr; Siirde, AndresScientific journal of Riga Technical University. Environmental and climate technologies2013 / p. 39-45 Methodology for the improvement of large district heating networksVolkova, Anna; Mašatin, Vladislav; Hlebnikov, Aleksandr; Siirde, AndresProceedings of ECOS 2012 : the 25th International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems : June 26-29, 2012, Perugia, Italy2012 / p. 46-1 - 46-13 : ill