BibTex format
@article{Liu:2007:10.1016/j.cattod.2007.05.024,
author = {Liu, P and Gerogiorgis, DI and Pistikopoulos, EN},
doi = {10.1016/j.cattod.2007.05.024},
journal = {CATALYSIS TODAY},
pages = {347--359},
title = {Modeling and optimization of polygeneration energy systems},
url = {http://dx.doi.org/10.1016/j.cattod.2007.05.024},
volume = {127},
year = {2007}
}