BibTex format
@article{Mintert:2005:10.1103/PhysRevA.72.012336,
author = {Mintert, F and Buchleitner, A},
doi = {10.1103/PhysRevA.72.012336},
journal = {Physical Review A},
title = {Concurrence of quasipure quantum states},
url = {http://dx.doi.org/10.1103/PhysRevA.72.012336},
volume = {72},
year = {2005}
}