(NsELXSKOHOZQJSTWENNOE WODOSNABVENIE S OSNOWAMI GIDRAWLIKI (B/s - (NaBELEW(B, (NaLEKSANDR sOLOMONOWI^s; (NaRAWIN(B, (Nw(B.(Ni(B.s ((NmOSKWAs (NlENINGRAD (B:s (NsELXHOZGIZ(B,s, 1959)
Keywords: (NsELXSKOHOZQJSTWENNAQ MELIORACIQs