TY  - RPRT
TI  - A SYSTEMS APPROACH TO THE VEHICLE PROBLEM.
AU  - S S GRISWOLD
PY  - 1963
DO  - 10.1080/00039896.1963.10663517
UR  - https://pubmed.ncbi.nlm.nih.gov/14047579/
ID  - 14047579
ER  -