1. Andrews, G.C.: The Vector-Network Model-A Topological Approach to Mechanics, Ph.D. Thesis, University of Waterloo, Waterloo, Canada, 1971
2. Andrews, G.C., Kesavan, H.K.: The Vector-Network Model: A New Approach to Vector Dynamics, Mech. and Mach. Theory, 10 (1975) 57–75.
3. Andrews, G.C.: Dynamics Using Vector-Network Techniques, Bound lecture-notes, Dept. of Mech. Eng., Univ. of Waterloo, Waterloo, Canada 1975
4. Koenig, H.E., Blackwell, W.S.: Linear Graph Theory — A Fundamental Engineering Discipline, Trans. IEEE, E-3 (1960) 42–49
5. Koenig, H.E., Blackwell, W.S.: Electromechanical System Theory, McGraw-Hill, 1961