Recentely a couple of bootleg surfaced from Russia:
_Galaktika/Group Galaxy: S/T CD originally released on CD in 1991 on company-state Melodiya Records
-Monomakh: Ya kotel uvyidet' angela originally recorded in 1993. Good christian hard rock/heavy metal (well, orthodox

I guess soon it will also re-surface the Monomakh/Krasnaya Ploshad split CD released in 1990 on Melodiya Records