Lubrication at the frontier : the role of the interface and surface layers in the thin film and boundary regime : proceedings of the 25th Leeds-Lyon Symposium on Tribology : held in the Institut natio. ISBN 044450267X. Published by Elsevier for the Institute of Tribology, the University of Leeds and the Institut National des Scien in 1999. Publication and catalogue information, links to buy online and reader comments.