The following publications are possibly variants of this publication:
- Unavoidable Sets and Regularity of Languages Generated by (1, 3)-Circular Splicing SystemsClelia de Felice, Rocco Zaccagnino, Rosalba Zizza. tpnc 2014: 169-180 [doi]
- Unavoidable sets and circular splicing languagesClelia de Felice, Rocco Zaccagnino, Rosalba Zizza. TCS, 658:148-158, 2017. [doi]
- On the regularity of circular splicing languages: a survey and new developmentsPaola Bonizzoni, Clelia de Felice, Gabriele Fici, Rosalba Zizza. nc, 9(2):397-420, 2010. [doi]
- Circular splicing and regularityPaola Bonizzoni, Clelia de Felice, Giancarlo Mauri, Rosalba Zizza. ita, 38(3):189-228, 2004. [doi]