BibTex format
@article{Collins:2011:10.1016/j.ijimpeng.2010.10.013,
author = {Collins, GS and Melosh, HJ and Wunnemann, K},
doi = {10.1016/j.ijimpeng.2010.10.013},
journal = {INTERNATIONAL JOURNAL OF IMPACT ENGINEERING},
pages = {434--439},
title = {Improvements to the epsilon-alpha porous compaction model for simulating impacts into high-porosity solar system objects},
url = {http://dx.doi.org/10.1016/j.ijimpeng.2010.10.013},
volume = {38},
year = {2011}
}