(N|KONOMIKA OTKRYTOJ DOBY^I UGLEJ DLQ KOKSOWANIQ (B/s - (NzWQGINCEWA(B, (NkLAWDIQ mIHAJLOWNA(B.s ((NmOSKWA(B:s (NB(B.(NI(B.,s, 1960)
Keywords: (NuGLEDOBY^A OTKRYTAQ (B- (NtEHNIKO(B-(N\KONOMI^ESKIE POKAZATELIs