| | Shapoval, S. Heating of energy efficient buldings using solar energy [Текст] / S. Shapoval, P. Kapalo // Cassotherm 2015 : non-conf. proc. of sci. papers - KEGA 052TUKE-4/2013 / Techn. Univ. of Kosice, Civil Engineering Fac. — Kosice, 2015. — P. 26-30. |
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