1. The algebraic topological basis for network analogies and the vector calculus;Branin;Symposium of Generalized Network, Polytechnic Institute of Brooklyn,1966
2. On the selection of models for industrial applications;Evans;I.E.E. Conference on Industrial Applications of Dynamic Modelling, Durham,1969
3. Isomorphisms between oriented linear graphs and lumped physical systems;Trent;J. Acoust. Soc. Am.,1955
4. Engineering Systems Analysis;MacFarlane,1964