BibTex format
@article{O'Sullivan:2020:10.1061/(ASCE)GM.1943-5622.0001707,
author = {O'Sullivan, C and Ciantia, M},
doi = {10.1061/(ASCE)GM.1943-5622.0001707},
journal = {International Journal of Geomechanics},
pages = {04020095--1--04020095--10},
title = {Calculating the state parameter in crushable sands},
url = {http://dx.doi.org/10.1061/(ASCE)GM.1943-5622.0001707},
volume = {20},
year = {2020}
}