?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Roos%2C+Gun&rft.aufirst=Gun&rft.aulast=Roos&rft.tpages=54-56&rft.title=One+size+fits+all%3F+%E2%80%93+Differences+in+school+food+cultures+identified+in+iPOPY+research+&rft.date=25+November+2009&rft.isbn=978-87-92499-04-2&rft.genre=proceeding