1. Graphs and Hypergraphs;Berge,1973
2. A. Buchacz, The synthesis of vibrating bar systems represented by graphs and structural numbers, ZN Politech,s Śląskiej, MECHANIKA 104, Gliwice, 1991 (in Polish).
3. A. Buchacz, Red.: computer aided synthesis and analysis of mechanical subsystems modelled with graphs and structural numbers, ZN Politech, Śląskiej, MECHANIKA 127, Gliwice, 1997 (in Polish).
4. Modelling, synthesis and analysis of bar systems charaterized by a cascade structure represented by graphs;Buchacz,1995
5. Synthesis of discrete, continuous and discrete–continuous vibrating systems represented by graphs;Buchacz,1999