TY - GEN AU - Cole, Selden D AU - Achenbach, P R AU - Powell, Frank J C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1958-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.RPT.5814 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1958 TI - A study of Z-Crete as underground pipe insulation: ER -