"Bats take a battering at wind farms", New Scientist, 12 May 2007 "Caution Regarding Placement of Wind Turbines on Wooded Ridge Tops" (PDF).
Accesat în 19 aprilie 2015.  ^ "Bats take a battering at wind farms", New Scientist, 12 May 2007 ^ „Caution Regarding Placement of Wind Turbines on Wooded Ridge Tops” (PDF).