Sorensen, John D., Wind Energy Systems: Optimising Design and Construction for Safe and Reliable Operation John D. Sorensen, Jens N. Sorensen - Oxford : Woodhead Publishing, c2011. - xvii, 598 p.: ill.; - Woodhead Publishing Series in Energy. 10 . ISBN: 9781845695804 Dewey Class. No.: 621.45 / SOR/WID