Douglas, David Lewis (1951) I. The Magnetic Susceptibility of Europium(III) and Europium(II) Ions and the Photochemical Reduction of Water by Europium(II) Ion. II. The Magnetic Susceptibility of Europium and Samarian Amalgams. III. Observations on the Chemistry of Europium. IV. Age Determination from Carbon-14 Content: Ionization Chamber Techniques. V. The Volume Change Due to Hydrogen Bonding of Methanol in Carbontetrachloride Solution (Dissertation (Ph.D)), California Institute of Technology doi: 10.7907/9X7A-Y940