?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Overbury%2C+Jane&rft.aufirst=Jane&rft.aulast=Overbury&rft.date=2006&rft.tpages=183&rft.title=The+14-19+reform+agenda+and+sixth+form+colleges+%3Asuccess+for+all+or+survival+of+the+fittest%D0%81&rft.inst=Institute+of+Education%2C+University+of+London&rft.degree=Doctoral