TY  - RPRT
TI  - Summary of on-line or interactive physico-chemical numerical data systems 
AU  - Hilsenrath, Joseph
PY  - 1980
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS TN 1122
DO  - 10.6028/NBS.TN.1122
ER  -