Tetravalent non-normal Cayley graphs of order 4 p . Zhou, Jin-Xin — 2009 The Electronic Journal of Combinatorics [electronic only]
Congruence classes of orientable 2-cell embeddings of bouquets of circles and dipoles. Feng, Yan-Quan; Kwak, Jin-Ho; Zhou, Jin-Xin — 2010 The Electronic Journal of Combinatorics [electronic only]