On incidence coloring for some cubic graphs. - Wai Chee Shiu; Peter Che Bor Lam; Dong-Ling Chen (Discret. Math., 2002)

The incidence coloring number of Halin graphs and outerplanar graphs. - Shu-Dong Wang; Dong-Ling Chen; Shan-Chen Pang (Discret. Math., 2002)