BibTex format
@article{Powell:2002:10.1103/PhysRevLett.89.093003,
author = {Powell, HF and Segal, DM and Thompson, RC},
doi = {10.1103/PhysRevLett.89.093003},
journal = {PHYSICAL REVIEW LETTERS},
title = {Axialization of laser cooled magnesium ions in a Penning trap},
url = {http://dx.doi.org/10.1103/PhysRevLett.89.093003},
volume = {89},
year = {2002}
}