APA

Halozan H., Gilli P. V., Graz University of Technology, Institute of Thermal Engineering, World Energy Congress (18th. : 2001 oct. 21-25 : Buenos Aires), Gilli P. V., Graz University of Technology & Institute of Thermal Engineering.Heat pumps for different world regions. : .

Chicago

Halozan Hermann, Gilli Paul Viktor, Graz University of Technology, Institute of Thermal Engineering, World Energy Congress (18th. : 2001 oct. 21-25 : Buenos Aires), Gilli Paul Viktor, Graz University of Technology and Institute of Thermal Engineering.Heat pumps for different world regions. : .

Harvard

Halozan H., Gilli P. V., Graz University of Technology, Institute of Thermal Engineering, World Energy Congress (18th. : 2001 oct. 21-25 : Buenos Aires), Gilli P. V., Graz University of Technology and Institute of Thermal Engineering.Heat pumps for different world regions. : .

MLA

Halozan Hermann, Gilli Paul Viktor, Graz University of Technology, Institute of Thermal Engineering, World Energy Congress (18th. : 2001 oct. 21-25 : Buenos Aires), Gilli Paul Viktor, Graz University of Technology and Institute of Thermal Engineering.: . .