?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Fischer%2C+J.E.&rft.aulast=Fischer&rft.aufirst=J.E.&rft.date=February+2012&rft.title=Serious+Mixed+Reality+Games&rft.genre=proceeding