Modelling of Thermal Behavior of Borehole Heat Exchangers of Geothermal Heat Pump Heating SystemsV.F. Gornov, N.V. Peskov, G.P. Vasilyev and M.V. KolesovaMATEC Web Conf., 77 (2016) 06009DOI: https://doi.org/10.1051/matecconf/20167706009