Sørensen, Bent. Renewable energy : physics, engineering, environmental impacts, economics and planning / Bent Sørensen. - 5th ed. - London, United Kingdom : Academic Press is an imprint of Elsevier, 2017. - xxix, 1026 p : ill. ; 23 cm. Includes index ISBN: 9780128045671 Subjects--Topical Terms: Renewable energy sources.