https://defence-line.org/2023/01/teoriya-i-praktika-chast-1/
https://defence-line.org/2023/01/teoriya-i-praktika-chast-2/
https://defence-line.org/2023/01/teoriya-i-praktika-chast-3/
https://defence-line.org/2023/01/teoriya-i-praktika-chast-4/
техника, история, война
https://defence-line.org/2023/01/teoriya-i-praktika-chast-1/
https://defence-line.org/2023/01/teoriya-i-praktika-chast-2/
https://defence-line.org/2023/01/teoriya-i-praktika-chast-3/
https://defence-line.org/2023/01/teoriya-i-praktika-chast-4/