1. End users dictate the potential for low temperature district heating;Andersen;Energy and Environment Journal,1999
2. Influence of forward temperature on energy consumption in central heating systems;Sarbu;WSEAS Transaction on Heat and Mass Transfer,2009
3. Energetically analysis of unbalanced central heating systems;Sarbu,2010
4. Handbuch fur Heizung-stechnik;Buderus,1994
5. Influence of heating systems on microclimate from living rooms. Fitter, Romania;Ilina,1996