Organic and inorganic geochemical aspects of Mediterranean Late Quaternary sapropels and Messinian evaporitic deposits / door Hans Lodewijk ten HavenEvaporite models and sedimentology of Messinian and recent evaporites / door Hans DronkertA structural study of evaporite diapirs, folds and faults, Axel Heiberg Island, Canadian Arctic Islands / Johannes Theodorus van Berkel