?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Percy&rft.aufirst=Pamela+Violet.&rft.au=Percy%2C+Pamela+Violet.&rft.date=1991&rft.title=Some+outlines+for+the+sociological+study+of+technology.&rft.inst=Institute+of+Education%2C+University+of+London&rft.tpages=408&rft.degree=Doctoral