?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Shearer&rft.aufirst=Gretchen+Louise&rft.au=Shearer%2C+Gretchen+Louise&rft.inst=UCL+(University+College+London)&rft.degree=Doctoral&rft.date=1990&rft.tpages=703&rft.title=An+evaluation+of+Fourier+transform+infrared+spectroscopy+for+the+characterisation+of+organic+compounds+in+art+and+archaeology