@article{_ak_r_2013,
title={An experimental exergetic comparison of four different heat pump systems working at same conditions: As air to air,
air to water,
water to water and water to air},
volume={58},
ISSN={0360-5442},
url={http://dx.doi.org/10.1016/j.energy.2013.06.014},
DOI={10.1016/j.energy.2013.06.014},
journal={Energy},
publisher={Elsevier BV},
author={Çakır,
Uğur and Çomaklı,
Kemal and Çomaklı,
Ömer and Karslı,
Süleyman},
year={2013},
month=sep,
pages={210–219} }