Some aspects of coastal engineering problems in EstoniaLiiv, UnoNordic Hydrological Conference 1996, Akureyri, Iceland, 13-15 August 1996 : [proceedings]. Vol. 21996 / p. 699-707: ill Some problems in calculation of pollutant transport in riversVassiljev, AnatoliNordic Hydrological Conference 1996, Akureyri, Iceland, 13-15 August 1996 : [proceedings]. Vol. 21996 / p. 773-782: ill Use of a matrix model for estimation of emission- and retention coefficients in Estonian riversVassiljev, Anatoli; Loigu, Enn; Grimvall, A.; Stalnacke, PerNordic Hydrological Conference 1996, Akureyri, Iceland, 13-15 August 1996 : [proceedings]. Vol. 21996 / p. 783-791