Surface analysis techniques and applications : papers presented at an international symposium organized by the North West Region of the Industrial and Analytical Divisions of the Royal Society of Chemistry, the Manchester Sections of the Royal Society of Chemistry and the Society of Chemical Industry, and the Manchester and District Branch of the Instutute of Physics, U.M.I.S.T., Manchester, 11-13th September 1989 / edited by W. Neagle and D.R. Randell.