New Directions in the Theory of Graphs
Abstract : Contents: On the history of the theory of graphs; On graphs with a constant link; Some extremal problems on r-graphs; New directions in hamiltonian graph theory; On the use of graphs in group theory; The adjacency matrix and the group of a graph; Unexplored and semi-explored territories in graph theory; Graphical enumeration methods; Isomorphisms between hypergraphs; Counting labeled acyclic digraphs; Almost all trees are cospectral; What is a map.