BibTex format
@article{Liu:2020:10.1016/j.renene.2020.06.029,
author = {Liu, J and Smith, S},
doi = {10.1016/j.renene.2020.06.029},
journal = {Renewable Energy},
pages = {756--766},
title = {A multi-level biogas model to optimise the energy balance of full-scale sewage sludge conventional and THP anaerobic digestion},
url = {http://dx.doi.org/10.1016/j.renene.2020.06.029},
volume = {159},
year = {2020}
}