TY  - RPRT
TI  - Liquid densities of oxygen, nitrogen, argon, and parahydrogen 
AU  - Roder, H M
PY  - 1972
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS TN 361r1
DO  - 10.6028/NBS.TN.361r1
ER  -