Manwell, J.F; Mcgowan, J.G and Rogers, A.L Wind energy explained : theory, design and application / - 2nd ed - United Kingdom, John Wiley and Sons Ltd. c2009. - ill. ; viii, 675 p. ; 25 cm. ISBN: 9780470015001 LC Class. No.: 19307-19311 Dewey Class. No.: 621.312136