?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=S.G.&rft.aulast=Demianenko&rft.au=Demianenko%2C+S.G.&rft.date=2014&rft.title=Means+of+Sustainable+Tourism+Development+in+Rural+Areas+of+the+Ukrainian+Danube+Delta&rft.genre=proceeding