The following publications are possibly variants of this publication:
- k, ℓ)-Graph Sandwich ProblemsFernanda Couto, Luerbio Faria, Sulamita Klein, Fábio Protti, Loana Tito Nogueira. AAIM 2013: 187-197 [doi]
- Chordal-(k, ℓ) and strongly chordal-(k, ℓ)graph sandwich problemsFernanda Couto, Luerbio Faria, Sulamita Klein. jbcs, 20(1), 2014. [doi]