You may also wish to search for items by Barker, I. and Barker.
Only one matching reference was found.
Barker, I.K.; Bartle, K.D.; Clifford, A.A., Measurement of solubilities in fluids at supercritical temperatures and lower pressures using chromatographic retention, Chem. Eng. Commun., 1988, 68, 177. [all data]