*{{citation | last1 = Di Battista | first1 = Giuseppe | last2 = Eades | first2 = Peter | last3 = Tamassia | first3 = Roberto | last4 = Tollis | first4 = Ioannis G. | journal =Computational Geometry: Theory and Applications | pages = 235–282 | title = Algorithms for Drawing Graphs: an Annotated Bibliography| url = http://www.cs.brown.edu/people/rt/gd.html| volume = 4 | issue = 5 | *{{citation | last1 = Di Battista | first1 = Giuseppe | last2 = Eades | first2 = Peter | last3 = Tamassia | first3 = Roberto | last4 = Tollis | first4 = Ioannis G. | journal =Computational Geometry: Theory and Applications | pages = 235–282 | title = Algorithms for Drawing Graphs: an Annotated Bibliography| url = http://www.cs.brown.edu/people/rt/gd.html| volume = 4 | issue = 5 |