(N|KONOMI^ESKAQ \FFEKTIWNOSTX ISPOLXZOWANIQ MELIORATIWNYH ZEMELX(B:s (NsBORNIK NAU^NYH TRUDOW(B/s - (NpESTRQKOW(B, (Nw(B.(Nk(B.s; (NsEWERNYJ NAU^NO(B-(NISSLEDOWATELXSKIJ INSTITUT GIDROTEHNIKI I MELIORACII(B;s ((NlENINGRAD (B:s (Nb(B.(NI(B.,s, 1978)
Keywords: (N|KONOMIKA I PLANIROWANIE MELIORACII (B- (NsBORNIKIs