Publications from the Instituut-Lorentz in the year 1952

   * Kasteleyn PW
           The lowest energy state of a linear antiferromagnetic chain
           PHYSICA 18 (2): 104-113 1952

   * Kramers HA
           Some reflections on phonons and rotons
           PHYSICA 18 (10): 653-664 1952

   * Kramers HA
           On a modification of Jaffe's theory of Column-ionization
           PHYSICA 18 (10): 665-675 1952

   * Kramers HA
           On the quantum theory of antiferromagnetism
           PHYSICA 18 (2): 101-103 1952