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 https://dom.lndb.lv/data/obj/file/30070253.pdf