Report of the 20th session : Economic Commission for Europe, Senior Advisers to ECE Governments on Environmental and Water Problems, Working Party on Air Pollution Problems.
1991
Detalles de los registros
Signatura[E/ECE/]ENVWA/WP.1/8
TítuloReport of the 20th session : Economic Commission for Europe, Senior Advisers to ECE Governments on Environmental and Water Problems, Working Party on Air Pollution Problems.
FechaGeneva : UN, 5 July 1991.
Descripción
8 p.