Johnson Ralph W Cleaning up Europes waters Economics management a Johnson Ralph W; Bown Garden M - New York Praeger USA 1976 - xvi, 313p. cm. - Preager special studies in international politics and governmnet . ISBN: 0275569306 Source: General Book Subjects--Topical Terms: Electrical Dewey Class. No.: X9(D855):8.5.N7, L6