Oldie but goodie Lock Picking Info
Many users know this site well. This Russian site translated into English seems to offer a lot of info.
http://www.locks.su/test/test_full.asp?lg=eng#Burevestnik
https://translate.google.com/translate?hl=en&sl=ru&tl=en&u=http%3A%2F%2Fwww.kriminalist.com%2Fzamki.htm
http://www.locks.su/test/test_full.asp?lg=eng#Burevestnik
https://translate.google.com/translate?hl=en&sl=ru&tl=en&u=http%3A%2F%2Fwww.kriminalist.com%2Fzamki.htm