?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Tran%2C+Ngoc+Ha&rft.aulast=Tran&rft.aufirst=Ngoc+Ha&rft.date=21+January+2013&rft.title=An+Efficient+Ant+Colony+Optimization+Algorithm+for+Multiple+Graph+Alignment&rft.genre=proceeding