Clough, David A (2012) Non-Contact Measurement and Analysis of Machine Tool Spindles. Masters thesis, University of Huddersfield.
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