The following publications are possibly variants of this publication:
- Beyond Level PlanarityPatrizio Angelini, Giordano Da Lozzo, Giuseppe Di Battista, Fabrizio Frati, Maurizio Patrignani, Ignaz Rutter. gd 2016: 482-495 [doi]
- Partial and Constrained Level PlanarityGuido Brückner, Ignaz Rutter. soda 2017: 2000-2011 [doi]
- The importance of being proper: (In clustered-level planarity and T-level planarity)Patrizio Angelini, Giordano Da Lozzo, Giuseppe Di Battista, Fabrizio Frati, Vincenzo Roselli. TCS, 571:1-9, 2015. [doi]