BibTex format
@article{Agren:2009:10.1016/j.pss.2009.04.012,
author = {Agren, K and Wahlund, J-E and Garnier, P and Modolo, R and Cui, J and Galand, M and Mueller-Wodarg, I},
doi = {10.1016/j.pss.2009.04.012},
journal = {PLANETARY AND SPACE SCIENCE},
pages = {1821--1827},
title = {On the ionospheric structure of Titan},
url = {http://dx.doi.org/10.1016/j.pss.2009.04.012},
volume = {57},
year = {2009}
}