1. Circuits and trees in oriented linear graphs;VAN AARDENNE-EHRENFEST;Simon Stevin,1951
2. Determinants and Matrices;AITKEN,1962
3. Topology and the solution of linear systems;ASH;J. Franklin Inst.,1959
4. Economic Applications of the Theory of Graphs;AVONDO-BODINO,1962
5. Degree realization of undirected graphs in reduced form;AYOUB;J. Franklin Inst.,1970