Protection of water resources and aquatic ecosystems.
1993
تفصيلات التسجيلة (السجل)
رمز / رقم الاستدعاء[E/]ECE/ENVWA/31
العنوانProtection of water resources and aquatic ecosystems.
المؤلفونUN. ECE
UN. ECE. Working Party on Water Problems (6th sess. : 1992 : Geneva)
UN. ECE. Senior Advisers to ECE Governments on Environmental and Water Problems (6th sess. : 1993 : Geneva)
UN. ECE. Working Party on Water Problems (6th sess. : 1992 : Geneva)
UN. ECE. Senior Advisers to ECE Governments on Environmental and Water Problems (6th sess. : 1993 : Geneva)
سلسلة
تاريخNew York : UN, 1993.
الوصف
v, 50 p. : tables.
ملاحظات
Contains 3 documents issued by the Working Party on Water Problems at its 6th session, Nov. 1992, and adopted by the Senior Advisers to ECE Governments on Environmental and Water Problems at their 6th session, Mar. 1993.
رقم دولي معياري للكتاب (ردمك)
9211165717
رقم المبيعات93.II.E.23