Heats and Free Energies of Formation of Vanadium Nitride and Vanadium Carbide: Issues 6161-6180

Centrifugal Compressor for High-temperature Helium: Performance Characteristics, Issues 6261-6280

Vapor-liquid Equilibrium Data for Two Helium-nitrogen-methane Mixtures from 76.50 to 1640 K and Pressures to 1,200 PSIA: 1971-1972

Low-temperature Phase Equilibria of Helium-bearing Natural Gases: Exell Gas, Issues 6001-6020

Reservoir Oil Characteristics, Greater Aneth Area, Utah: Unusual Saturation-pressure Variations, Issues 6181-6200