1.
Сайт www.samba.org.ua
http://www.samba.org.ua/ - Kharkiv
2.
Guides for engineers Guides for engineers
http://manual.h1.ru/ - Kharkiv
Guides for engineers.
3.
"Electronic WorkBench" manuals "Electronic WorkBench" manuals
http://www.ewb.narod.ru/ - Kharkiv
"Electronic WorkBench" manuals - electric circuits development.
4.
13-th level 13-th level
http://thirteenlevel.narod.ru/ - Kharkiv
Documentation on programming; computer games, formats of files.