Bjerregaard, E.T.D. Data on existing wind energy converters in Denmark / E.T.D. Bjerregaard, ..., S. A. Jensen, ..., U.S. Paulsen, ... . - Bruxelles : Commission of the European Communities, 1986 . - V-96 p. ; 30 cm. - Energy . Report EUR 10790 EN Source: Don Universal Decimal Class. No.: 620.97