Publications from the Instituut-Lorentz in the year 1943 * Belinfante FJ On the commutativity of the Dirac electron wave function with the electromagnetical field PHYSICA 10: 720 (1943) * Kramers HA, Kistemaker J On the slip of a diffusing gas mixture along a wall PHYSICA 10: 699-713 (1943) * Kramers HA On multipole radiation PHYSICA 10: 261-272 (1943)