BibTex format
@article{Beck:2006:10.1186/1471-2148-6-93,
author = {Beck, RMD and Bininda-Emonds, ORP and Cardillo, M and Liu, F-GR and Purvis, A},
doi = {10.1186/1471-2148-6-93},
journal = {BMC EVOLUTIONARY BIOLOGY},
title = {A higher-level MRP supertree of placental mammals},
url = {http://dx.doi.org/10.1186/1471-2148-6-93},
volume = {6},
year = {2006}
}