TY - GEN AU - Druckenbrod, W F AU - Hall, W G AU - Yurow, J A C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1968-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.RPT.9938 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1968 TI - A simulation of a highway maintenance operational unit: ER -