@Article{JGAA-409,
   author = {{Xin} {He} and {Dayu} {He}},
   title = {Star-Shaped and L-Shaped Orthogonal Drawings},
   journal = {Journal of Graph Algorithms and Applications},
   year = {2017},
   volume = {21},
   number = {2},
   pages = {155--175},
   doi = {10.7155/jgaa.00409}
}