Csontos, C., T. Soha, Ádám Harmat, J. Campos, G. Csüllög, and B. Munkácsy. “Spatial Analysis of Renewable-Based Hybrid District Heating Possibilities in a Hungarian Rural Area”. International Journal of Sustainable Energy Planning and Management, vol. 28, Apr. 2020, pp. 17-36, doi:10.5278/ijsepm.3661.