?url_ver=Z39.88-2004&rft_id=10.1109%2FITSIM.2010.5561360&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Yusof%2C+S.Z.M.&rft.aulast=Yusof&rft.aufirst=S.Z.M.&rft.isbn=9781424467181&rft.date=2010&rft.title=Flight+connections+multi-leg+searching+by+adopting+partial+Constraint+Satisfaction&rft.genre=proceeding