TY  - RPRT
TI  - Liquid densities of oxygen, nitrogen, argon and parahydrogen (metric supplement) 
AU  - Roder, H M
PY  - 1974
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS TN 361
DO  - 10.6028/NBS.TN.361
ER  -