BibTex format
@article{Wünnemann:2006:10.1016/j.icarus.2005.10.013,
author = {Wünnemann, K and Collins, GS and Melosh, HJ},
doi = {10.1016/j.icarus.2005.10.013},
journal = {ICARUS},
pages = {514--527},
title = {A strain-based porosity model for use in hydrocode simulations of impacts and implications for transient crater growth in porous targets},
url = {http://dx.doi.org/10.1016/j.icarus.2005.10.013},
volume = {180},
year = {2006}
}