| 1 | Dobrivoje Popovic, Vijay P. Bhatkar, Distributed Computer Control Systems in Industrial Automation, 1997, Marcel Dekker. |
| 2 | Lj. T. Grujic, A. El Moudni, M. Ferney, P. Borne, Control of Industrial Systems, Pergamon Pr. , 1997. |
| 3 | Olsson G. , Piani G. , Computer Systems for Automation and Control. Prentice-Hall, 1992. |
| 4 | Berger H., Automating with STEP 7 in STL and SCL programmable controllers: SIMATIC S7-300/400 , Erlangen: Publicis MCD, 2000. |