TY - GEN AU - W A Horn C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1968-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.RPT.9832 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1968 TI - Optimal networks joining n points in the plane: ER -