@inproceedings{phnk-ulgd-12,
 author = {Purchase, Helen C. and Hamer, John and Nöllenburg, Martin and Kobourov, Stephen G.},
 booktitle = {Graph Drawing (GD'12)},
 doi = {10.1007/978-3-642-36763-2_40},
 editor = {Didimo, Walter and Patrignani, Maurizio},
 pages = {451--462},
 publisher = {Springer Berlin Heidelberg},
 series = {LNCS},
 title = {On The Usability of {L}ombardi Graph Drawings},
 volume = {7704},
 year = {2013}
}