@misc{1187916, author = {Judith F Gilsinn and Patsy B Saunders and Martin H Pearl}, title = {Path finding algorithms and data structures for point-to-point trip management:}, year = {1975}, month = {1975-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.IR.75-676}, language = {en}, }