1997

• Stoilov T., K.Stoilova, I.Tanev, Hierarchical Model for Traffic Light Control. Journal of Technical Misul, book 3, 1997, pp.14-28. (in Bulgarian).
• Stoilov T., K.Stoilova. Multilevel on-line traffic signs optimization for closely spaced junctions- 8-th Symposium on Transportation Systems, 16-18 June 1997, Chania, Greece, Preprint, ed.M.Papageorgiou and A.Pouliezos, vol.2, p.917-922.
• Stoilov T., K.Stoilova. Optimal Access Control in Wirless Computer Network. Proceeding of the IFIP TC6 International Symposium Network Information Processing Systems, ed. K.Boyanov, Sofia, 1997, p.288-299.

1996

• Stoilov T., K.Stoilova, Dynamical and Mathematical Models in Hierarchical Systems Theory (review). Journal of Automatics and Informatics, № 6, 1996, pp.3-12 (in Bulgarian).
• Stoilov T., K.Stoilova, Static Mathematical Models in Hierarchical Systems Theory. Journal of Automatics and Informatics, № 1 / 2, 1996, pp.3-15 (in Bulgarian).
• Stoilova K., T.Stoilov. Traffic lights optimization via noise measurement. J.Problems of technical cybernetics and robotics vol.44, 1996, p. 105-110.

1995

• Stoilova K., T.Stoilov, A.Gegov. Real time coordination in multilevel systems. In Integrated System Engeneering, ed. G.Johannsen, Pergamon Press, 1995, p.53-58 /proceedings/
• Stoilova K., T.Stoilov. Open loop noniterative coordination in multilevel systems. Int. Journ. Systems Science, vol.26, N10, 1995, p.1887-1905.
• Stoilova K., T.Stoilov. Modeling and simulation of traffic noise pollution, Proceedings of the conference Computer Science, ed.I.Vondrak, J.Stefan, 5-7.9.1995, Ostrava, Czech republic, p.99-106.
• Stoilova K., T.Stoilov. Linear Quadratic Modeling in Multilevel Systems. 17-th IFIP conference on system modeling and optimization, 10-14 July 1995, Prague, Czech rep., vol.II, p.476-479.

1994

• Stoilova K., T.Stoilov. Noniterative coordination in multilevel systems, in Systems and Networks: Mathematical theory and applications, vol.II, ed.U.Helmke, R.Mennicken, Math.Research vol.79, Acad.Verlag, 1994, p.495-496.
• Stoilova K., T.Stoilov. Two steps coordination in hierarchical systems. 1st IFAC workshop on new trends in design of control systems. Smolenice, Slovak republic, 7-10 Sept. 1994, p.150-154.

1993

• Stoilov T., K.Stoilova, Parabolic Approximation One-step Coordination in Hierarchical Systems. Journal of Automatics and Informatics № 11/12, 1993, pp.17-21 (in Bulgarian).
• Stoilov T., K.Stoilova, Noniterative Coordination in Hierarchical Control of Systems. Journal of Automatics and Informatics, № 3/4, 1993, pp.22-26 (in Bulgarian).

1992

1991

• Stoilov T., K.Stoilova, Model of One step Coordination. Journal of Automatics and Informatics, № 7/8, 1991, pp.2-3 (in Bulgarian).
  1990
• Stoilov T., K.Stoilova. Piece-wise optimal control in transport allocation problem. J. Kybernetika, N 6, 1990, p.505-513.

1989

• Stoilov T., K.Stoilova. An hierarchical adaptive algorithm for data transmission in distributed computer network, in Network Information Processing Systems, ed. K.Bojanov, North Holland, 1989, p.171-185.
• Stoilov T., K.Stoilova. Optimal processing of automatic location vehicle system – an hierarchical approach. In “Distributed intelligence systems: methods and applications”, edited by D.Mladenov, IFAC series N 4, 1989, Pergamon Press, Oxford, N.York, Frankfurt, Sao Paolo, Sydney, Tokyo, Toronto,1989, p.319-324.