**Ars Combinatoria **

**Volume LV, April, 2000 **

**Y. Caro, Y. Roditty and J. Schonheim **"Covering designs with minimum overlap"

**B.L. Hartnell **"On Determining the 2-Packing and Domination Numbers of the Cartesian
Product of Certain Graphs"

**Antoaneta Klobucar and Norbert Seifter **"K-Dominating Sets of Cardinal Products of Paths"

**Dalibor Froncek and Jozef Siran **"Halving Complete 4-Partite Graphs"

**Kelly Schultz **"Step Domination in Graphs"

**Pranava K. Jha, Ashok Narayanan, Puneet Sood, Karthik Sundaram and Vivek Sunder **"On L(2,1)-labeling of the Cartesian product of a cycle and a path "

**John W. Moon and Helmut Prodinger **"A Bijective Proof of an Identity Concerning Nodes of Fixed Degree in Planted Trees "

**Marian Trenkler **"Numbers of Vertices and Edges of Magic Graphs "

**R.J.R. Abel, F.E. Bennett, H. Zhang and L. Zhu **"Existence of HSOLSSOMs with type h^n and 1^nu^1 "

**Arthur T. Benjamin and Jennifer J. Quinn **"Paths to a Multinomial Inequality"

**Wang Min, Li Guo-jun and Liu Ai-de **"A Result of Erdos-Sos Cojecture "

**K.M. Kathiresan **"Two Classes of Graceful Graphs"

**Marco Buratti **"Some Regular Steiner 2-Designs with Block Size 4"

**Maria Kwasnik and Iwona Wloch **"The total number of generalized stable sets and kernels of graphs"

**J.L. Allston, M.J. Grannell, T.S. Griggs, K.A.S. Quinn and R.G. Stanton **"On exact bicoverings of 12 points "

**Neville Robbins **"Various partition function identities "

**J.E. Cottingham and R.D. Ringeisen **"Adding and Deleting Crossings in Drawings of Graphs"

**Hung-Lin Fu and I-Fan Sun **"A Study of the Genus of a Group"

**Mark J. Nielsen and Dusty E. Sabo **"Transverse families of matchings in the plane "

**Frank Harary and Teresa W. Haynes **"Double Domination in Graphs "

**H. Hajiabolhassen, M.L. Mehrabadi and R. Tusserkani **"A Note on the Hall-Condition Number of a Graph "

**Sarmad Abbasi **"On the genus of the star graphs "

**E.J. Cockayne **"Irredundance in the Queen's Graph "

**Sarah A. Spence **"Stratified Graphs and Distance Graphs "

**Stefan Janaqi and Pierre Duchet **"Generator-Preserving contractions and a Min-Max result on the graphs of planar polyominoes"

**Darryn E. Bryant and A. Khodkar **"Maximum packings of Kv - Ku with triples"

**Margaret B. Cozzens and Shu-Shih Y. Wu **"Relationships Between Vertex-Neighbor-Integrity and Other Parameters "

**Pan Lin Qiang and Zhang Ke Min **"A Sufficient Condition for Oriented Graphs to be Hamiltonian"

**Erich Prisner **"A Note of k-Rotation Graphs "

**Rebecca A. H. Gower **"Critical sets in products of latin squares"

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