Low Temperature Heating and High Temperature Cooling: Guidebook No. 7 / aut. Ján Babiak, Bjarne Wilkens Olesen, Dušan Petráš
Babiak Ján  Olesen Bjarne Wilkens Petráš Dušan ; 010290
Brussels: REHVA - Federation of European Heating, Ventilation and Air Conditioning Associations, 2009
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