Embedding even-length cycles in a hexagonal honeycomb mesh.

Xiaofan Yang Yuan Yan Tang Jianqiu Cao Qing Lu Embedding even-length cycles in a hexagonal honeycomb mesh. 201-209 2008 85 Int. J. Comput. Math. 2 http://dx.doi.org/10.1080/00207160701421144 db/journals/ijcm/ijcm85.html#YangTCL08