World Patent InformationVolume 28, Issue 3, September 2006, Pages 284-289Literature listingAuthor links open overlay panelDavid NewtonShow moreShareCitehttps://doi.org/10.1016/j.wpi.2006.04.001Get rights and contentRecommended articlesReferences (0)Cited by (0)View full textCopyright © 2006 Published by Elsevier Ltd. All rights reserved.