Воліховський, Ю. В., et al. “Theoretical Bases Designing Means of Pyrometry for the Nondestructive Control of Machine-Building and Oil-Gas Industrial Equipment”. METHODS AND DEVICES OF QUALITY CONTROL, no. 2(27), Nov. 2011, pp. 13-15, https://mpky.nung.edu.ua/index.php/mpky/article/view/319.