M.A. Sayegh, J. Danielewicz, T. Nannou, M. Miniewicz, P. Jadwiszczak, K. Piekarska, H. Jouhara,
Trends of European research and development in district heating technologies Renewable & Sustainable Energy Reviews. ,vol. 68, pp. 1183- 1192 ,(2017) ,
10.1016/J.RSER.2016.02.023