TY  - RPRT
TI  - A testing plan for cement 
AU  - Clatworthy, W H
AU  - Connor, W S
AU  - Evans, D N
PY  - 1953
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS report ; 2560
DO  - 10.6028/NBS.RPT.2560
ER  -