@article{Kapsalaki_2011,
title={Recent progress on net zero energy buildings},
volume={5},
ISSN={1756-2201},
url={http://dx.doi.org/10.1080/17512549.2011.582352},
DOI={10.1080/17512549.2011.582352},
number={1},
journal={Advances in Building Energy Research},
publisher={Informa UK Limited},
author={Kapsalaki,
Maria and Leal,
Vitor},
year={2011},
month=may,
pages={129–162} }