(NdWUSTORONNEE SOTRUDNI^ESTWO sssr S OSWOBODIW[IMISQ STRANAMI (B:s (NsBORNIK NAU^NYH TRUDOW (B/s - (NbATAEWA(B, (Nt(B.(Nw(B.s; (NmINISTERSTWO WYS[EGO I SREDNEGO SPECIALXNOGO OBRAZOWANIQ sssrs ((NmOSKWA (B:s (NiZD(B-(NWO UN(B-(NTA DRUVBY NARODOW(B,s, 1987)
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