The effect of the labda-transition on esr of copper ions in ammonium chloride up to 1600 bar / door Peter Jan van der ValkThe consumption of licorice and the intake of ammonium chloride among Dutch population groups (second Dutch National Food Consumption Survey) / K.F.A.M. Hulshof, C. KistemakerUltrahogedrukapparatuur tot 40 kbar en de [lambda]-overgang in NH4Cl / Simon Antonius Gerardus PeerdemanThe effect of the →l⇋-transition on ESR of copper ions in ammonium chloride up to 1600 bar / [by] Peter Jan van der ValkElektronenspinresonantie van koperionen in ammoniumchloride / Siegfried Hendrik HagenProtonspin-roosterrelaxatie in ammoniumchloride onder hoge druk / door Watze MandemaDifferential thermal analysis of the lambda-transition in ammonium chloride at high pressures / Theodorus Jacobus van der Molen