Clough, David A, Fletcher, Simon, Longstaff, Andrew P. and Willoughby, Peter (2012) Thermal Analysis for Condition Monitoring of Machine Tool Spindles. Journal of Physics: Conference Series, 364 (364). ISSN 1742-6596
Clough, David A, Fletcher, Simon and Longstaff, Andrew P. (2010) Non-contact measurement and analysis of machine tool spindles. In: Future Technologies in Computing and Engineering: Proceedings of Computing and Engineering Annual Researchers' Conference 2010: CEARC’10. University of Huddersfield, Huddersfield, p. 189. ISBN 9781862180932
Clough, David A (2012) Non-Contact Measurement and Analysis of Machine Tool Spindles. Masters thesis, University of Huddersfield.