@ARTICLE{
author={Santa Robert,Garbai Laszlo,Fuerstner Igor},
year={2015},
title={Optimization of heat pump system},
journal={ENERGY},
volume={89},
number={},
pages={45-54},
document_type={Article},
} 

@ARTICLE{
author={Santa Robert,Garbai Laszlo},
year={2015},
title={Measurement testing of heat transfer coefficients in the evaporator and condenser of heat pumps},
journal={JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY},
volume={119},
number={3},
pages={2099-2106},
document_type={Article},
} 

@ARTICLE{
author={Nyers Jozsef M,Garbai Laszlo,Nyers Arpad J},
year={2015},
title={A modified mathematical model of heat pump's condenser for analytical optimization},
journal={ENERGY},
volume={80},
number={},
pages={706-714},
document_type={Article},
} 

@ARTICLE{
author={Nyers Jozsef M,Garbai Laszlo,Nyers Arpad J},
year={2014},
title={Analysis of Heat Pump Condenser's Performance using the Mathematical Model and a Numerical Method},
journal={ACTA POLYTECHNICA HUNGARICA},
volume={11},
number={3},
pages={138-151},
document_type={Article},
}