@misc{the+influence+of+pipe+diameter+selection+on+operating+costs+of+heating+installation+in+the+context+of+the+anticipated+increase+in+electricity+prices,
    author = {Knapik, Maciej},
    title = {The influence of pipe diameter selection on operating costs of heating installation in the context of the anticipated increase in electricity prices},
    journal = {E3S Web of Conferences},
    date = {06.2019},
    number = {Volume 100 (2019) }
}