TY  - RPRT
TI  - Collaborative reference program for paper : report no. 63S
AU  - Powell, R G
AU  - Horlick, J
PY  - 1980
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 80-1834
DO  - 10.6028/NBS.IR.80-1834
ER  -