Биография
http://www.kpe.ru/index.php?option=c...d=861&Itemid=8
Лекции
http://www.kob.su/petrov
http://video.google.com/videoplay?do...7318265455816#
http://www.youtube.com/watch?v=iwsat2um5uo
http://www.youtube.com/watch?v=3pN8L7SfwSU&feature=related
