Members of the National Committee Prof. L. GOLICC, President, Chemistry, University of Ljubljana, PO Box 537, 1001 Ljubljana, Slovenia. Prof. V. KAUCCICC, National Institute of Chemistry, 1001 Ljubljana, Slovenia. Prof. A. PRODAN, Institute J. Stefan, 1001 Ljubljana, Slovenia. Prof. I. LEBAN, Secretary, Chemistry, University of Ljubljana, PO Box 537, 1001 Ljubljana, Slovenia.