@article{Litjens_2018,
title={Lowering greenhouse gas emissions in the built environment by combining ground source heat pumps,
photovoltaics and battery storage},
volume={180},
ISSN={0378-7788},
url={http://dx.doi.org/10.1016/j.enbuild.2018.09.026},
DOI={10.1016/j.enbuild.2018.09.026},
journal={Energy and Buildings},
publisher={Elsevier BV},
author={Litjens,
G.B.M.A. and Worrell,
E. and van Sark,
W.G.J.H.M.},
year={2018},
month=dec,
pages={51–71} }