1. Further development in the theory, computer implementation and application of bond graphs;Asher,1979
2. Displaying Kirchhoff's invariants in simple junction structure;Bidard,1992
3. The mathematical foundations of bond graphs—IV. Matrix representations and causality;Birkett;J. Franklin Institute,1990
4. Direct application of the loop rule to bond graphs, Trans;Brown;ASME J. Dynamic Systems Measurement and Control,1972
5. On the role of bond graph causality in modelling mechatronic systems;van Dijk,1994