BibTex format
@article{Collins:2011:10.1016/j.epsl.2011.07.023,
author = {Collins, GS and Elbeshausen, D and Davison, TM and Robbins, SJ and Hynek, BM},
doi = {10.1016/j.epsl.2011.07.023},
journal = {Earth and Planetary Science Letters},
pages = {1--8},
title = {The size-frequency distribution of elliptical impact craters},
url = {http://dx.doi.org/10.1016/j.epsl.2011.07.023},
volume = {310},
year = {2011}
}