J. Bernardi, S. de Almeida, and L. Zatesko.
" On Total and Edge-colouring of Proper Circular-arc Graphs", in <em>Anais do III Encontro de Teoria da Computação</em>, Natal, 2018, pp. 157-160, doi: <a href="https://doi.org/10.5753/etc.2018.3557">https://doi.org/10.5753/etc.2018.3557</a>.