Alexandru T. Balaban University A&M Galveston, Texas, USA Haruo Hosoya Ochanomizu University, Bunkyo-ku, Tokyo, Japan Horst Sachs Fakultät für Mathematik und Naturwissenschaften, Germany Milan Randic Drake University, IA, USA Nenad Trinajstic University of Zagreb, Croatia

Prof. Mircea V. Diudea The Chairmen of the Local Organising Committee of TOPMOL "Babes-Bolyai" University, Faculty of Chemistry and Chemical Engineering, Organic Chemistry Department, Cluj-Napoca, Romania e-mail: diudea@chem.ubbcluj.ro Assoc. Prof. Cornelia Majdik "Babes-Bolyai" University, Faculty of Chemistry and Chemical Engineering, Organic Chemistry Department, Cluj-Napoca, Romania e-mail: majdik@chem.ubbcluj.ro Assoc. Prof. Gabriel Katona "Babes-Bolyai" University, Faculty of Chemistry and Chemical Engineering, Organic Chemistry Department, Cluj-Napoca, Romania e-mail: gabik@chem.ubbcluj.ro Prof. Bazil Pârv "Babes-Bolyai" University, Faculty of Mathematics and Computer Science, Cluj-Napoca, Romania e-mail: bparv@cs.ubbcluj.ro

(in alphabetic order) Gunar Brinkmann Arnout Ceulemans Patrick W. Fowler Ante Graovac Peter E. John Marek Krygowski Istvan Laszlo Istvan Lukovits Paul G. Mezey Tomas Pisanski Zeno Simon Roberto Todeschini