"Surface X-ray Diffraction: New Results from the X16A Beamline", Kristallographische Kolloquium, Universität München, Munich, April 1992
"Cours de Physique des Surfaces", Université Joseph Fourier, Grenoble, France, April-May 1992
"Adsorbate-Induced Reconstructions Studied on X16A", NSLS Lunch Seminar, Brookhaven, June 1992
"O-induced Reconstructions", DoE Corrosion Conference, Urbana, September 1992
"Techniques of Surface X-ray Diffraction", Seminar for Scattering Science, Urbana, October 1992
"Adsorbate Induced Reconstruction of Metal Surfaces", Condensed-Matter Seminar, Urbana, October 1992
"Structure and Phase Transitions of the Mo(001) and W(001) Surfaces", Condensed Matter Seminar, Purdue University, West Lafayette, October 1992
"Metal Surface Reconstructions" ANL Colloquium, Argonne National Lab, December 1992
"The Reconstructions of Mo(001)", NSLS Lunch Seminar, Brookhaven, December 1992
"Oxidation of Mo(001) Surfaces" NATO Workshop on Synchrotron Techniques in Interfacial Electrochemistry, Madeira, Portugal, December 1992