@article{JGAA_2002_6_3_a4,
     author = {Helen Purchase and Jo-Anne Allder and David Carrington},
     title = {Graph {Layout} {Aesthetics} in {UML} {Diagrams:} {User} {Preferences}},
     journal = {Journal of Graph Algorithms and Applications},
     pages = {255--279},
     publisher = {mathdoc},
     volume = {6},
     number = {3},
     year = {2002},
     doi = {10.7155/jgaa.00054},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.7155/jgaa.00054/}
}