BibTex format
@article{Leader:2011:10.1103/PhysRevD.83.096012,
author = {Leader, E},
doi = {10.1103/PhysRevD.83.096012},
journal = {PHYSICAL REVIEW D},
title = {Controversy concerning the definition of quark and gluon angular momentum},
url = {http://dx.doi.org/10.1103/PhysRevD.83.096012},
volume = {83},
year = {2011}
}