?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Patrick+N.+C.&rft.aulast=Royce&rft.au=Royce%2C+Patrick+N.+C.&rft.tpages=325&rft.title=Structured+monitoring+of+gas+exchange+in+fermenters+for+control&rft.degree=Doctoral&rft.date=1993&rft.inst=UCL+(University+College+London)