(N|KSPLUATACIQ I REMONT SANITARNO(B-(NTEHNI^ESKIH USTROJSTW W PROIZWODSTWENNYH ZDANIQH NA sEWEREs - (NsTARIKOW(B,(Ns(B. (Na(B.s (NsERGEJ aLEKSANDROWI^s ((Nl(B.s (NsTROJIZDATs, 1977)