TY  - RPRT
TI  - Path finding algorithms and data structures for point-to-point trip management 
AU  - Gilsinn, Judith F
AU  - Saunders, Patsy B
AU  - Pearl, Martin H
PY  - 1975
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 75-676
DO  - 10.6028/NBS.IR.75-676
ER  -