Optimal allocation of water resources : proceedings of a symposium held during the First Scientific General Assembly of the International Association of Hydrological Sciences (IAHS) at Exenter, UK 19-30 July 1982 / ed. by M. J. Lowing - 415 páginas - IAHS publication ; no. 135 .


Calidad del agua--Administración--Congresos
Aguas residuales--Purificacion--Modelos matematicos--Congresos

TD481 / S35