1. KAMENCAY, M.: .: Use of machine vision in the control of tips of welding electrodes for resistance spot welding, STU in Bratislava. Faculty of Mechanical Engineering, 2013. 58 p.
2. KYOKUTOH CO., LTD.: Dresser option. [online]. [cit. 03. 02. 2013]. Available at .
3. AF133A [online]. [cit. 15. 04. 2013]. Available at http: /www. sentechamerica. com/cameras-autofocushd/STC-AF133A. aspx.
4. AVT Guppy Pro F-031C [online]. [cit. 03. 02. 2013]. Available at .
5. STC-AF133A [online]. [cit. 15. 04. 2013]. available at .