TY  - RPRT
TI  - A study of Z-Crete as underground pipe insulation 
AU  - Cole, Selden D
AU  - Achenbach, P R
AU  - Powell, Frank J
PY  - 1958
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS RPT 5814
DO  - 10.6028/NBS.RPT.5814
ER  -