00560naa#a2200169#i#450# EN\INFRA-M\bibl\106072 20260203231324.2 2500-0489 20251101b2025####ek#y0engy0150####ca RU The reference and bibliographic system on engineering geometry: additions and remarks Journal article Moscow INFRA-M Academic Publishing LLC. 2025 6 с. Journal article local Начертательная геометрия. 514.18 Boykov A. A. naukaru.ru