TY - GEN AU - R D Stiehler AU - A Hockman AU - E J Enbree AU - L W Masters C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1978-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.77-1437 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1978 TI - Solar energy systems- standards for rubber seals: ER -