Publications from the Instituut-Lorentz in the year 1955 * Kluitenberg GA, de Groot SR Relativistic thermodynamics of irreversible processes .4. Systems with polarization and magnetization in an electromagnetic field PHYSICA 21 (3): 148-168 1955 * Kluitenberg GA, de Groot SR Relativistic thermodynamics of irreversible processes .5. The energy-momentum tensor of the macroscopic electromagnetic field, the macroscopic forces acting on the matter and the first and second laws of thermodynamics PHYSICA 21 (3): 169-192 1955 * de Groot SR, van Kampen NG On the derivation of reciprocal relations between irreversible processes PHYSICA 21 (1): 39-47 1955 * Hooyman GJ, de Groot SR Phenomenological equations and Onsager relations - The case of dependent fluxes or forces PHYSICA 21 (1): 73-76 1955 * Tolhoek HA, Hartogh CD, de Groot SR La distribution angulaire des rayonnements emis par des noyaux orientes - l'Influence de la precession des spins nucleaires dans les etats intermediaires, en particulier apres une capture K J PHYS-PARIS 16 (7): 615-621 1955 * Hartogh CD, de Groot SR, Tolhoek HA On angular effects in nuclear reactions induced by unpolarized particles PHYSICA 21 (4): 281-284 1955 * Hooyman GJ, Mazur P, de Groot SR Coefficients of viscosity for a fluid in a magnetic field or in a rotating system PHYSICA 21 (5): 355-359 1955 * Hooyman GJ, Mazur P, de Groot SR Diffusion und Sedimentation binaerer Loesungen Kolloid Z 140: 165 (1955) * Hooyman GJ, de Groot SR, Mazur P Transformation properties of the Onsager relations PHYSICA 21 (5): 360-366 1955 * Jansen L, Mazur P On the theory of molecular polarization in gases .1. Effect of molecular interactions on the polarizability of spherical nonpolar molecules PHYSICA 21 (3): 193-207 1955 * Mazur P, Jansen L On the theory of molecular polarization in gases .2. Effect of molecular interactions on the Clausius-Mosotti function for systems of spherical nonpolar molecules PHYSICA 21 (3): 208-218 1955 * van Kranendonk J Spin-deviation theory of ferromagnetism .2. The non-ideal spin-deviation gas PHYSICA 21 (12): 925-945 1955 * van Kranendonk J Spin-deviation theory of ferromagnetism .1. General theory PHYSICA 21 (10): 749-766 1955 * van Kranendonk J Theory of the low-temperature properties of ferromagnetic crystals PHYSICA 21 (1): 81-82 1955 * Wheatley JC, Huiskamp WJ, Diddens AN, Steenland MJ, Tolhoek HA Circular polarization of gamma radiation emitted by oriented Co-60 nuclei PHYSICA 21 (11): 841-859 1955 * Tolhoek HA, Brussaard PJ On the theory of alpha-disintegration and the determination of nuclear radii PHYSICA 21 (6): 449-470 1955 * Poppema OJ, Siekman JG, van WAgeningen R, Tolhoek HA Alignment of Co-56 nuclei .2. Spin and parity assignments PHYSICA 21 (3): 223-232 1955 * Tolhoek HA On the foundation of the collective model of the nucleus PHYSICA 21 (1): 1-21 1955 * van Kampen NG Completeness of stationary scattering states .1. PHYSICA 21 (2): 127-136 1955 * van Kampen NG Completeness of stationary scattering states .2. PHYSICA 21 (7): 579-588 1955 * Jansen L, de Wette FW On the theory of transitions in molecular crystals PHYSICA 21 (1): 83-84 1955