Reference Label	Details
JANAF 3	M. W. Chase, C. A. Davies, J. R. Downey Jr., D. J. Frurip, R. A. McDonald, and A. N. Syverud, "JANAF Thermochemical Tables", 3rd ed.; J. Phys. Chem. Ref. Data 14, Suppl. 1 (1985)
Luft 1955	N. W. Luft, Ind. Chem. 31, 502-504 (1955) Sublimation Pressures and Latent Heats of Ammonium Salts
est unc	estimated uncertainty