For citations:

Davydov M.N., Lipatova A.P., Tkachenko Yu.S. Methods for Estimating the Actual Size of Defects Based on the Lengths of Their Frontal Images. Proceedings of the Southwest State University. 2019;23(2):18-28. (In Russ.) https://doi.org/10.21869/2223-1560-2019-23-2-18-28