Useful links:

SMD marking codes : http://www.tkb-4u.com/code/smdcode/smdcode1.php

SW power supplies design : http://henry.fbe.fh-darmstadt.de/smps_e/

Encyclopedia of electronics : http://users.pandora.be/educypedia/electronics/motor.htm

Coil wires parameters : http://www.republika.pl/elektronikjk/l.html

Nice webpage about electronics : http://www.tranzystor.com.pl

Electronic oscillators : http://www.epanorama.net/links/oscillator.html

Schematics of electronic equipment (Russian) : http://rv6llh.rsuh.ru/shema.htm                                                                                       http://radiosvalka.narod.ru/schemes/tv_ups.htm

Polish radio stations in internet : http://www.radia.cad.pl/mazowieckie.html

Stereoscopy images all around the world: http://www.3dphoto.net/stereo/world/world.html

Stereoscopy images : http://www.avitar.org/gcm/sg2.htm

Library of texts about alternate science and not only (Polish) : http://www.kippin.prv.pl/

For fun (Polish) : http://www.wielkarzeczpospolita.net/