David Auber Maylis Delest Jean-Philippe Domenger Serge Dulucq Efficient drawing of RNA secondary structure. 329-351 2006 10 J. Graph Algorithms Appl. 2 http://jgaa.info/accepted/2006/Auber+2006.10.2.pdf db/journals/jgaa/jgaa10.html#AuberDDD06