Publications from the Instituut-Lorentz in the year 1981 * van Saarloos W A canonical transformation relating the Lagrangian and Eulerian description of ideal hydrodynamics PHYSICA A 108 (2-3): 557-566 1981 * Quispel GRW, Capel HW Equation of motion for the Heisenberg spin chain PHYS LETT A 85 (4): 248-250 1981 * van der Zwan G, Bedeaux D, Mazur P Light scattering from a fluid with a stationary temperature gradient PHYSICA A 107 (3): 491-508 1981 * Nijhoff FW, Capel HW Separable interactions and liquid He-3 PHYSICA A 106 (3): 369-397 1981 * Zielinska BJA, Bedeaux D, Vlieger J Electric and magnetic susceptibilities for a fluid-fluid interface - The ellipsometric coefficient PHYSICA A 107 (1): 91-108 1981 * van Saarloos W, Bedeaux D, Mazur P Hydrodynamics for an ideal fluid - Hamiltonian formalism and Liouville equation PHYSICA A 107 (1): 109-125 1981 * Bedeaux D, Mazur P Stability of inhomogeneous stationary states for the hot-spot model of a superconducting microbridge PHYSICA A 105 (1-2): 1-30 1981 * den Ouden LWJ, Capel HW, Perk JHH Critical exponent renormalization, first-order transitions and demagnetizing effects for Schofield linear model PHYSICA A 105 (1-2): 53-85 1981 * Berends FA, Kleiss R Distributions for electron-positron annihilation into two and three photons NUCL PHYS B 186 (1): 22-34 1981 * Berends FA, Kleiss R, de Causmaecker P, Gastmans R, Wu TT Single Bremsstrahlung processes in gauge theories PHYS LETT B 103 (2): 124-128 1981 * Bergshoeff E, de Roo M, de Wit B Extended conformal supergravity NUCL PHYS B 182 (1-2): 173-204 1981 * Berends FA, Kleiss R Initial state radiation for e+e- annihilation into jets NUCL PHYS B 178 (1): 141-150 1981 * Berends FA, Kleiss R Distributions in the process e+e- --> mu+mu-(gamma) NUCL PHYS B 177 (2): 237-262 1981 * Wu FY Dilute Potts model, duality and site-bond percolation J PHYS A-MATH GEN 14 (2): L39-L44 1981 * Mazur P, Bedeaux D An electrothermal instability in a conducting wire - Homogeneous and inhomogeneous stationary states for an exactly solvable model J STAT PHYS 24 (1): 215-233 1981