TY - GEN AU - Halsey, Nixon AU - Marlowe, Donald E AU - Mordfin, Leonard C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1974-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.74-557 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1974 TI - Non-metallic antenna-support materials: ER -