Weng-Long Chang Ting-Ting Ren Mang Feng Jun Luo Kawuu Weicheng Lin Minyi Guo Lai Chin Lu Quantum Algorithms of Bio-molecular Solutions for the Clique Problem on a Quantum Computer http://arxiv.org/abs/0905.2028 2009 CoRR abs/0905.2028 db/journals/corr/corr0905.html#abs-0905-2028 informal publication