@inproceedings{n-samlm-14,
 address = {Essex, UK},
 author = {Nöllenburg, Martin},
 booktitle = {Schematic Mapping Workshop},
 month = {April},
 title = {A survey on automated metro map layout methods},
 url = {http://i11www.iti.kit.edu/extra/publications/n-asamm-14.pdf},
 year = {2014}
}