@inproceedings {GDEA-489, 
author = {Brandenburg, Franz J. and Eppstein, David and Goodrich, Michael T. and Kobourov, Stephen G. and Liotta, Giuseppe and Mutzel, Petra}, 
year = {2004}, 
title = {Selected Open Problems in Graph Drawing}, 
editor = {Liotta, Giuseppe}, 
pages =  {pp. 515-539}, 
booktitle =  {Graph Drawing, Perugia, 2003}, 
publisher = {Springer}, 
}