On the BC/RS website, you can find this:
"Volume 3 of Black Cross/Red Star has been written by Christer Bergström, with important contributions by Andrey Mikhailov, Andrey Dikov, Vlad Antipov, and Claes Sundin."
http://www.bergstrombooks.elknet.pl/bc-rs/vol3.htm
Andrey, I have sent you an e-mail reply.