On the construction and enumeration of minimal blocks. - Ronald C. Read; Guanzhang Hu (J. Graph Theory, 1987)

A six-color theorem for the edge-face coloring of plane graphs. - Cuiqin Lin; Guanzhang Hu; Zhongfu Zhang (Discret. Math., 1995)

Laplacian spectrum analysis and spanning tree algorithm for circuit partitioning problems. - Huazhong Yang; Guanzhang Hu (Sci. China Ser. F Inf. Sci., 2003)