1. General form of equations for determining ‘sliding diagram’ in house installation and district heating system with direct connection;Zekonja,1996
2. General form of equations for determining ‘sliding diagram’ in district heating system with indirect connection;Z̆ivkovic,1996
3. Qualitative regulation in district heating system and heat exchangers performance prediction;Jaćimović,1996
4. Taschenbuch für Heizung und Klimatechnik;Recknagel,1994