The following publications are possibly variants of this publication:
- Area Requirement and Symmetry Display in Drawing GraphsGiuseppe Di Battista, Roberto Tamassia, Ioannis G. Tollis. compgeom 1989: 51-60 [doi]
- Bipartite Graphs, Upward Drawings, and PlanarityGiuseppe Di Battista, Wei-Ping Liu, Ivan Rival. ipl, 36(6):317-322, 1990.
- Planar upward tree drawings with optimal areaAshim Garg, Michael T. Goodrich, Roberto Tamassia. ijcga, 6(3):333-356, 1996.
- Extending Upward Planar Graph DrawingsGiordano Da Lozzo, Giuseppe Di Battista, Fabrizio Frati. wads 2019: 339-352 [doi]
- Extending upward planar graph drawingsGiordano Da Lozzo, Giuseppe Di Battista, Fabrizio Frati. comgeo, 91:101668, 2020. [doi]