Alexander Rogal'(nice), Inna Korneeva(nice), Askar Isabekov(nice), Vladimir Muravskiy(nice), Vladimir Muravskiy(interesting), Igor Dvurekov(nice), Igor Dvurekov(interesting), Andrey Bazdyrev(nice), Valery Shokhrin(nice), Sergey L. Volkov(nice), Anatolii Khodakov(nice)