You may also wish to search for items by Vogel, G. and Vogel.
Only one matching reference was found.
Vogel, G.L.; Hamzavi-Abedi, M.A.; Martire, D.E., Activity coefficients of nine normal and branched alkanes in n-octadecane at 303.15 k., J. Chem. Thermodyn., 1983, 15, 739. [all data]