?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=+G%C3%A9bert+Judit&rft.aufirst=Judit&rft.aulast=G%C3%A9bert&rft.title=Theoretical+establishment+and+problems+of+welfare+measurement+%3A+%5Babstract%5D&rft.issn=1588-8533&rft.date=2012&rft.genre=bookitem