BibTex format
@article{Elder:2011:10.1103/PhysRevB.83.165210,
author = {Elder, WJ and Ward, RM and Zhang, J},
doi = {10.1103/PhysRevB.83.165210},
journal = {PHYSICAL REVIEW B},
title = {Double-group formulation of k . p theory for cubic crystals},
url = {http://dx.doi.org/10.1103/PhysRevB.83.165210},
volume = {83},
year = {2011}
}