1. Linear Graphs and Electrical Networks;Seshu,1961
2. Finite Graphs and Networks;Busacker,1965
3. Isomorphisms between Oriented Linear Graphs and Lumped Physical Systems;Trent;Journal of the Acoustical Society of America,1955
4. Linear Graph Theory - a Fundamental Engineering Discipline;Koenig;IRE Transaction on Education,1960
5. Electromechanical System Theory;Koenig,1961