BibTex format
@article{Segal:2012:10.1007/s00340-012-4871-6,
author = {Segal, DM and Vogel, M and Thompson, RC and Bharadia, S},
doi = {10.1007/s00340-012-4871-6},
journal = {Applied Physics B: lasers and optics},
title = {Dynamics of laser-cooled Ca+ ions in a Penning trap with a rotating wall},
url = {http://dx.doi.org/10.1007/s00340-012-4871-6},
year = {2012}
}