Volume 60 (2008) number 1

• V. Consonni, R. Todeschini: New Spectral Indices for Molecule Description, pp. 3-14
• F. Ashraf, H. Bamdad: A Note on Graphs with Zero Nullity, pp. 15-19
• J. Li, A. Chang, W. C. Shiu: On the Nullity of Bicyclic Graphs, pp. 21-36
• D. Vukicevic, A. Graovac: Comparing Variable Zagreb M₁ and M₂ Indices for Acyclic Molecules, pp. 37-44
• H. Hua: Zagreb M₁ Index, Independence Number and Connectivity in Graphs, pp. 45-56
• L. Sun, R. S. Chen: The Second Zagreb Index of Acyclic Conjugated Molecules, pp. 57-64
• D. Vukicevic, S. M. Rajtmajer, N. Trinajstic: Trees with Maximal Second Zagreb Index and Prescribed Number of Vertices of the Given Degree, pp. 65-70
• D. Stevanovic: Maximizing Wiener Index of Graphs with Fixed Maximum Degree, pp. 71-83
• H. Liu, X. F. Pan: On the Wiener Index of Trees with Fixed Diameter, pp. 85-94
• X. Cai, B. Zhou: Reverse Wiener Indices of Connected Graphs, pp. 95-105
• Y. Yang, X. Jiang: Unicyclic Graphs with Extremal Kirchhoff Index, pp. 107-120
• J. Hao: Some Bounds for PI Indices, pp. 121-134
• I. Gutman, A. R. Ashrafi: On the PI Index of Phenylenes and Their Hexagonal Squeezes, pp. 135-142
• Y. Liu, R. S. Chen: The Maximum Matching's Size and the Fixed Bonds in a Polyhex G = (W;B) with |W| = |B|, pp. 143-156
• C. Yu, R. S. Chen: Concealed non-Kekulean Single Coronoid Systems with |H| ≤ 15 Benzenoid Rings, pp. 157-178
• K. Salem: An Induced Subgraph of the Dualist of a Hexagonal System, pp. 179-182
• H. Deng: The Anti-forcing Number of Double Hexagonal Chains, pp. 183-192
• A. Taranenko, A. Vesel: On Elementary Benzenoid Graphs: New Characterization and Structure of Their Resonance Graphs, pp. 193-216
• Y. Cao, F. Zhang: Extremal Polygonal Chains on k-Matchings, pp. 217-235
• M. V. Diudea, S. Cigher, P. E. John: Omega and Related Counting Polynomials, pp. 237-250