Subclasses of Circular-Arc Bigraphs: Helly, Normal and Proper. - Marina Groshaus; André Luiz Pires Guedes; Fabricio Schiavon Kolberg (LAGOS, 2019)

On the Helly Subclasses of Interval Bigraphs and Circular Arc Bigraphs. - Marina Groshaus; André Luiz Pires Guedes; Fabricio Schiavon Kolberg (LATIN, 2020)

Circular arc bigraphs and their Helly subclass - Fabricio Schiavon Kolberg (2021)