BibTex format
@article{Nelson:2011:10.1016/S1369-7021(11)70210-3,
author = {Nelson, J},
doi = {10.1016/S1369-7021(11)70210-3},
journal = {MATERIALS TODAY},
pages = {462--470},
title = {Polymer: fullerene bulk heterojunction solar cells},
url = {http://dx.doi.org/10.1016/S1369-7021(11)70210-3},
volume = {14},
year = {2011}
}