BibTex format
@article{O'Sullivan:2013:10.1680/geot.12.P.153,
author = {O'Sullivan, C and Wadee, MA and Hanley, KJ and Barreto, D},
doi = {10.1680/geot.12.P.153},
journal = {Geotechnique},
pages = {1298--1309},
title = {Use of DEM and elastic stability analysis to explain the influence of the intermediate principal stress on shear strength},
url = {http://dx.doi.org/10.1680/geot.12.P.153},
volume = {63},
year = {2013}
}