Yang Yuansheng Lin Xiaohui Lu Jianguo Hao Xin The crossing number of <i>C</i>(<i>n</i>; 1, 3 ). 107-118 2004 289 Discrete Mathematics 1-3 http://dx.doi.org/10.1016/j.disc.2004.08.014 db/journals/dm/dm289.html#YuanshengXJX04