You may also wish to search for items by Benjamins.
Only one matching reference was found.
Benjamins, E.; Westrum, E.F., The Thermodynamic Properties of Ammonium Fluoride: Heat Capacity from 6 to 309 K, the Entropy, Enthalpy and Free Energy Function, J. Am. Chem. Soc., 1957, 79, 287. [all data]