Volume 29 (1993)

• A. T. Balaban: Confessions and Reflections of a Graph-Theoretical Chemist, pp. 3-17
• S. B. Elk: A Canonical Ordering and Nomenclature for the Kekule Structures of Polybenzenes, pp. 19-34
• J. Aihara: Orientation in Electrophilic Susbstitution and Aromaticity, pp. 35-50
• I. Gutman: Hueckel Rule in Catacondensed Benezenoid Hydrocarbons, pp. 51-60
• I. Gutman: Approximating the Total pi-Electron Energy of Benzenoid Hydrocarbons: A Record Accurate Formula of (n, m)-Type, pp. 61-69
• I. Gutman: Approximating the Total pi-Electron Energy of Benzenoid Hydrocarbons: On an Overlooked Formula of Cioslowski, pp. 71-79
• J. V. Knop, W. R. Mueller, K. Szymanski, S. Nikolic, N. Trinajstic: On the Concept of Fully-Arenoid Hydrocarbons, pp. 81-106
• D. J. Klein, T. P. Zivkovic, A. T. Balaban: The Fractal Family of Coronenes, pp. 107-130
• B. N. Cyvin, J. Brunvoll, R. S. Chen, S. J. Cyvin: Coronenic Coronoids: A Course in Chemical Enumeration, pp. 131-142
• B. N. Cyvin, F. Zhang, X. Guo, J. Brunvoll, S. J. Cyvin: On the Total Number of Polyhexes with Ten Hexagons, pp. 143-163
• D. Masulovic, R. Tosic, B. N. Cyvin, S. J. Cyvin: Supplement to the Duesseldorf-Zagreb Numbers for Polyhexes, pp. 165-166
• S. El-Basil, A. T. Hussean: Clar Sextet Theory of Regular Corannulenes, pp. 167-188
• H. Zhang: The Clar Covering Polynomials of S,T-Isomers, pp. 189-197
• F. Zhang, Z. Chen: Some Topological Properties of Two Types of Radical S,T-Isomers, pp. 199-207