(NpREDWARITELXNO NAPRQVENNYE VELEZOBETONNYE FERMY S PROWOLO^NOJ ARMATUROJ W NIVNEM POQSE (B:s (NiZ OPYTA oRGSTROQ niiomt I kUJBY[EWGIDROSTROQ (B/s - (NaNDREJ^UK(B, (NiGORX aRKADXEWI^s ((NmOSKWA (B:s (NgOSSTROJIZDAT(B,s, 1960)