The following publications are possibly variants of this publication:
- Backbone coloring of graphs with galaxy backbonesCamila S. Araújo, Júlio Araújo 0001, Ana Silva 0001, Alexandre A. Cezar. DAM, 323:2-13, 2022. [doi]
- Circular backbone colorings: On matching and tree backbones of planar graphsJúlio Araújo, Fabrício Benevides, Alexandre A. Cezar, Ana Silva. DAM, 251:69-82, 2018. [doi]