K. C. Dukka Bahadur Etsuji Tomita Jun'ichi Suzuki Tatsuya Akutsu Protein Side-chain Packing Problem: a Maximum Edge-weight Clique Algorithmic Approach. 103-126 2005 3 J. Bioinformatics and Computational Biology 1 http://dx.doi.org/10.1142/S0219720005000904 db/journals/jbcb/jbcb3.html#BahadurTSA05