ERMOL'EV, Yu.M. - MIKHALEVICH, M.V. - UTEULIEV, N.U. Economic Modelling of International Water Use : The Case of the Aral Sea Basin. 1. ed. Laxenburg : IIASA, 1995. S. 523-526. RR-95-5. [Copy count : 1, currently available 1, at library only 0]