Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
The 9 references without a DOI — listed, not checked
no DOI — not checkedYoung, A.; Venditti, S.; Berrueco, C.; Yang, M.; Waters, A.; Davies, H.; Hill, S.; Millan, M.; Crittenden, B.Characterization of crude oils and their fouling deposits.Proceedings of the 8th International Conference on Heat Exchanger Fouling and Cleaning; Schladming, Austria, June 14−19, 2009.
no DOI — not checkedWatkinson, A. P.; Li, Y.Fouling characteristics of a heavy vacuum gas oil in the presence of dissolved oxygen.Proceedings of the 8th International Conference on Heat Exchanger Fouling and Cleaning; Schladming, Austria, June 14−19, 2009.
no DOI — not checkedLi, Y.; Watkinson, A. P.Formation of gum and deposits in an oxygenated naphtha stream.Proceedings of the 7th International Conference on Heat Exchanger Fouling and Cleaning—Challenges and Opportunities;Müller-Steinhagen, H.; Malayeri, M. R.; Watkinson, A. P., Eds.; Engineering Conferences International, Tomar, Portugal, July 1−6, 2007; ECI Symposium Series, Vol.RP5.
no DOI — not checkedref17/cit17
no DOI — not checkedWatkinson, A. P.Comparison of crude oil fouling using two different probes.Proceedings of the 5th International Conference of Heat Exchanger Fouling and Cleaning: Fundamentals and Applications;Watkinson, A. P.; Muller-Steinhagen, H.; Malayeri, M. R., Eds.; Santa Fe, NM, 2003; pp234−240.
no DOI — not checkedBrons, G.; Rudy, T. M.Fouling of whole crudes on heated surfaces.Proceedings of the 4th International Conference Heat Exchanger Fouling and Cleaning—Challenges and Opportunities;Müller-Steinhagen, H.; Malayeri, M. R.; Watkinson, A. P., Eds.; Davos, Switzerland, July 8−13, 2001.
no DOI — not checkedWiehe, I. A.; Brons, G.; Cronin, L. S.U.S. Patent 6,210,560, 2001.
no DOI — not checkedYoung, A.; Venditti, S.; Berrueco, C.; Yang, M.; Waters, A.; Davies, H.; Hill, M.; Crittenden, B.Characterization of crude oils and their fouling deposits.Proceedings of the 8th International Conference on Heat Exchanger Fouling and Cleaning; Schladming, Austria, Jun 14−19, 2009.
no DOI — not checkedLaszlo, P.; Stang, P.Organic Spectroscopy: Principles and Applications;Harper and Row:New York, 1971, p181.
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