**Ars Combinatoria****Volume LXXXV, October, 2007**

**E. Gokcen Kocer and Naim Tuglu**, “The Binet Formulas for the Pell and Pell-Lucas p-Numbers”**Xu Xirong, Yang Yuansheng, Xi Yue, Khandoker Mohammed Mominul Haque and Shen Lixin**, “Super Edge-Magic Labelings of Generalized Petersen Graphs P(n,3)”**Bernie Martinelli and Daniel Schaal**, “On Generalized Schur Numbers for x_{1}+x_{2}+c = kx_{3}”**B. Balamohan and R.B. Richter**, “The crossing number of P(10,3) is six”**Peter Adams, Darryn Bryant and Mary Waterhouse**, “Some equitably 2-colourable cycle decompositions”**Paola Biondi and Pia Maria Lo Re**, “On blocking sets of external lines to a quadric in PG(3,q), q prime ”**David Romero and Abdon Sanchez-Arroyo**, “Adding evidence to the Erdos-Faber-Lovasz conjecture”**A. Elumalai and G. Sethuraman**, “Cordialness of cycles with parallel P_{k}-chords and multiple subdivision graphs”**Sabine Klinkenberg and Lutz Volkmann**, “On the order of close to regular graphs without a matching of given size”**J. Richard Lundgren, K.B. Reid and Dustin J. Stewart**, “The Domination Graphs of Complete Paired Comparison Digraphs”**David G. Glynn, T. Aaron Gulliver and Manish K. Gupta**, “On Some Quaternary Self-Orthogonal Codes”**Xianglin Wei and Ren Ding**, “On Relatively Short Sides of Convex Hexagons”**Michael J. Ferrara, Ronald J. Gould and John R. Schmitt**, “Graphic Sequences with a Realization Containing a Friendship Graph”**Rajender Parsad, Sanpei Kageyama and V.K. Gupta**, “Use of complementary property of block designs in PBIB designs”**Arnfried Kemnitz and Massimiliano Marangio**, “Coloring The Line”**Steven T. Dougherty, T. Aaron Gulliver and Reshma Ramadurai**, “Symmetric Designs and Self-Dual Codes over Rings”**Tay-Woei Shyu**, “Path Decompositions of lK_{n,n}”**L. Carlitz and H.W. Gould**, “Remarks on MacMahons identity for sums of cubes of binomial coefficients”**Iwona Wloch and Andrzej Wloch**, “The number of independent sets intersecting the set of leaves in trees”**Jingrong Chen and Heping Zhang**, “Resonance of Plane Bipartite Graphs”**Latifa Faouzi, William Kocay, Gerard Lopez and Hamza Si Kaddour**, “Constructing families of highly similar but non-isomorphic tournaments”**Ahmet Tekcan**, “The Cubic Congruence x^{3}+ax^{2}+bx+c = 0(mod p) And Binary Quadratic Forms F(x,y)=ax^{2}+bxy+cy^{2}”**Zongtian Wei, Yang Li and Junming Zhang**, “Edge-Neighbor-Scattering Number of Graphs”**Zan-Bo Zhang, Tao Wang and Dingjun Lou**, “Equivalence between Extendability and Factor-Criticality”**T. Aaron Gulliver and John N.C. Wong**, “Classification of Optimal Linear Z_{4}Rate 1/2 Codes of Length <= 8″**Mehdi Eliasi and Bijan Taeri**, “Hyper Wiener index of zigzag polyhex nanotorus”**M. Esmaeili and T.A. Gulliver**, “On the Quaternary Projection of Binary Linear Block Codes”**Akhlaq Ahmad Bhatti**, “On H-chromatic uniqeness of two linear uniform cycles having some edges in common”**V. Vijayalakshmi**, “On Multiplicity of triangles in 2-edge colouring of graphs”**E. Gokcen Alptekin, Toufik Mansour and Naim Tuglu**, “Norms of circulant and semicirculant matrices and Horadams sequence”**Yang Yuansheng, Xu Xirong, Xi Yue and Li Huijun**, “The Graphs C^{(t)}9 are Graceful for t = 0,3 (mod 4)”**John Martino and Paula Smith**, “On Regular Cayley Maps with Alternating Power Functions”**Ahmed Ainouche**, “Extensions of Bondys Theorem on Cycles in 2-Connected Graphs”**Tomas Madaras and Roman Sotak**, “More maps of p-gons with a ring of q-gons”**E. Gokcen Kocer**, “Hyperbolic Modified Pell Functions”