?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=E.A.+de&rft.aulast=Vries&rft.au=Vries%2C+E.A.+de&rft.title=The+Sound+of+Silence%3B+Research+into+a+pleasant+acoustic+living+environment&rft.date=2016&rft.degree=Master