Publication in BibTeX Format

@ARTICLE{AICPub834:1968,
  AUTHOR={P. E. Hart, N. J. Nilsson, and B. Raphael},
  TITLE={A formal basis for the heuristic determination of minimum cost paths},
  JOURNAL={IEEE Transactions on Systems, Science, and Cybernetics},
  PAGES={100-107},
  NUMBER={2},
  VOLUME={SSC-4},
  YEAR={1968}
}