(NpROIZWODSTWO AZOTNOJ KISLOTY (B:s (Nu^EBNOE POSOBIE (B/s - (NkARGIN(B, (NsTEPAN iWANOWI^s; (NpETUNOW(B, (Ns(B.(Np(B. s; (NmITROPOLXSKIJ(B, (Ni(B.(Ns(B. s ((NlENINGRAD (B;s (NmOSKWA (B:s (NgOSHIMIZDAT(B,s, 1949)
Keywords: (NaZOTNAQ KISLOTAs