TY - RPRT TI - Thermophysical properties of Helium-4 from 4 to 3000 R with pressures to 15000 PSIA AU - McCarty, Robert D PY - 1972 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS TN 622 DO - 10.6028/NBS.TN.622 ER -