Citation: Brouwer, Darren H.; Moudrakovski, Igor L.; Udachin, Kostantin A.; Enright, Gary D.; Ripmeester, John A. (2008). Guest Loading and Multiple Phases in Single Crystals of the van der Waals Hostp-tert-Butylcalix[4]arene. Crystal Growth & Design, 8, pp. 1878-.