TY  - RPRT
TI  - Collaborative reference program for paper : Report no. 56S strength tests
AU  - Powell, R G
AU  - Horlick, J
PY  - 1979
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 79-1361
DO  - 10.6028/NBS.IR.79-1361
ER  -