• A new method for estimation of fuel savings by wind energy and its impact on powersystem planning [Electronic resource]Liik, Olev; Oidram, Rein; Keel, Matti; Landsberg, MartProceedings of Power-Gen Europe 2004 : 25-27 May 2004, Barcelona, Spain2004 / paper 357, [18] p. [CD-ROM]