Стельмах, О., О. Софронов, and С. Чернишова. “COMPARISON OF INFORMATIONAL CONTENT OF THE METHOD OF DYNAMIC FOCUSING AND DIFFERENTIAL PHASE METHOD OF DEFINITION OF THE SURFACES ROUGHNESS”. Science-Based Technologies, vol. 16, no. 4, Oct. 2012, pp. 44-47, doi:10.18372/2310-5461.16.5312.