Z. Perjés: High precision gravitational experiments

P.A. Horváthy: Planetary motion and geometry I.

S. Kuhlevszkij: Soft X-ray laser stimulated by a capillary gas discharge

P. Kálmán: Generation of coherent X-radiation in crystals

L. Ujfaludi: Weather and climate changes

L. Keszthelyi: Peter Faragó

Zoltán Perjés, 1943-2004 (I. Rácz)

István Krasznai, 1933-2004 (J. Földes)

L. Pálfalvi: A problem of the R. Eötvös Competition 2004: Kepler’s problem in a magnetic field

The closure ceremony of the 2004 R. Eötvös Competition (Zs. Harkai, J. Radnai)

J. Faigel: Medical imaging methods I.