The following publications are possibly variants of this publication:
- Lower bounds and exact algorithms for the quadratic minimum spanning tree problemDilson Lucas Pereira, Michel Gendreau, Alexandre Salles da Cunha. cor, 63:149-160, 2015. [doi]
- Stronger Lower Bounds for the Quadratic Minimum Spanning Tree Problem with Adjacency CostsDilson Lucas Pereira, Michel Gendreau, Alexandre Salles da Cunha. endm, 41:229-236, 2013. [doi]
- Algorithms for the degree-constrained minimum spanning tree problemAlexandre Salles da Cunha, Abilio Lucena. endm, 19:403-409, 2005. [doi]