• Bio-waste resource for sustainable anaerobic waste treatment solution on Island Saaremaa, EstoniaPitk, Peep; Pürjer, Juhan; Kõrgmaa, Vallo; Vilu, RaivoADSW&EC : International IWA-Symposium on Anaerobic Digestion of Solid Waste and Energy Crops : August 28 - September 1, 2011, Vienna, Austria2011