Bent Sørensen. 1941- Renewable energy : physics, engineering, environmental impacts, economics and planning / Book by Bent Sørensen. - Fifth edition. - xxix, 1026 pages : illustrations ; 23 cm Includes index. Includes bibliographical references ISBN: 9780128045671 Subjects--Topical Terms: Renewable energy sources. LC Class. No.: TJ808 SOR / 1