**Malcolm Greig**, "Recursive Constructions of Balanced Incomplete Block Designs with Block Size of 7 "**Masakazu Nihei**, "On the Toughness of the Middle Graph of a Graph"**Zhou Bo**, "Weak Exponent of Indecomposability of an Irreducible Boolean Matrix"**Takayuki Nakamura and Kiyoshi Yoshimoto**, "Transformation of Spanning Trees in a 2-Connected Graph"**Scott P. Martin, Jeffrey S. Powell and Douglas F. Rall**, "On the independence number of the Cartesian product of caterpillars"**Christian Barrientos**, "Graceful labelings of cyclic snakes "**Xiaotao Cai and Warren E. Shreve**, "(2 mod 4)-cycles "**Konrad Piwakowski and Stanislaw P. Radziszowski**, "The Ramsey Multiplicity of K4 "**Magdalena Kucharska**, "On (k,l)-Kernels of Orientations of Special Graphs "**Deok Rak Bae and Jong Youl Kim**, "The Jump Number of P x n "**Sheng Bau**, "The Connectivity of Matching Transformation Graphs of Cubic Bipartite Plane Graphs "**F. Comellas and M. Mitjana**, "Cycles in the cycle prefix digraph "**Andrea Hackmann and Arnfried Kemnitz**, "List Edge Colorings of Outerplanar Graphs "**Masakazu Nihei**, "On the matching polynomials of the complete n-partite graph "**G.L. Chia and Chee-Kit Ho**, "On the Chromatic Uniqueness of Edge-Gluing of Complete Bipartite Graphs and Cycles "**Jian Shen and D.A. Gregory**, "On the Girth of Digraphs with High Connectivity "**P. Mark Kayll**, "Asymptotically good choice numbers of multigraphs "**Neville Robbins**, "Some Identities Related to Ramanujan's Tau Function "**Kiyoshi Yoshimoto**, "The Connectivities of Trunk Graphs of Connected Graphs "**H.L. Abbott and D.R. Hare**, "Families of 4-Sets Without Property B "**W.S. Ng**, "A Problem on Linear Functions and Subsets of a Finite Field "**Guillermo Duran and Min Chih Lin**, "Clique graphs of Helly circular arc graphs "**Roberto B. Corcino**, "Some Theorems on Generalized Stirling Numbers "**Marcia R. Cerioli and Jayme L. Szwarcfiter**, "A Characterization of Edge Clique Graphs "**Hong Wang**, "Directed Bipartite Graphs Containing Every Possible Pair of Directed Cycles"**Rachid Cherifi, Sylvain Gravier and Ismail Zighem**, "Bounds on domination number of complete grid graphs"**Stephan Foldes and Alexander Lawrenz**, "On the Face Lattice of a Poset Polyhedron "

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