1. Hydraulic integration and control of heat pump and combi-storage: same components, big differences;Haller,2013
2. Simulation of combined solar thermal and heat pump systems for domestic hot water and space heating;Carbonel,2013
3. Unglazed PVT collectors as additional heat source in heat pump systems with borehole heat exchanger;Bertram,2012
4. IEA solar and heat pump systems, solar heating and cooling Task44 & heat pump programme Annex 38;Hadorn,2012
5. A review of market-available solar thermal heat pump systems;Ruschenburg,2013