@Article{JGAA-305,
   author = {{Michael} A. {Bekos} and {Michael} {Kaufmann} and {Stephen} G. {Kobourov} and {Antonios} {Symvonis}},
   title = {Smooth Orthogonal Layouts},
   journal = {Journal of Graph Algorithms and Applications},
   year = {2013},
   volume = {17},
   number = {5},
   pages = {575--595},
   doi = {10.7155/jgaa.00305}
}