?url_ver=Z39.88-2004&rft_id=doi%3A10.1111%2Fj.2044-8317.1966.tb00353.x&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Cox%2C+D.+R.&rft.aulast=Cox&rft.aufirst=D.+R.&rft.issue=1&rft.volume=19&rft.date=2011&rft.issn=0007-1102&rft.atitle=NOTES+ON+THE+ANALYSIS+OF+MIXED+FREQUENCY1+DISTRIBUTIONS&rft.title=British+Journal+of+Mathematical+and+Statistical+Psychology&rft.pages=39-47&rft.genre=article