P. Varga: On the measurements which led to the discovery of Planck's law – part 4 Z. Szatmáry: L. Jánossy's directives concerning the evaluation of measured data L. Molnár: The ocean of solar-like oscillations M. Király: Actual problems of industrial nuclear energy supply and their possible solutions – part I E. Herman, J. Kádár, K. Martinás, A. Bezegh: The exergy analysis of producing bioethanol from maize in Hungary TEACHING PHYSICS T. Stonawski: The observation of extremely slow processes M. Riedel, Zs. Barta: Sky temperature measurements K. G. Härtlein: A fakir's bed for balloons BOOKS EVENTS