(Chicago)International Symposium on Grain Bounday Phenomena in Electronic Ceramics International Symposium on Grain Bounday Phenomena in Electronic Ceramics (Santa Fe)International Symposium on Polarization phenomena in Nuclear Physics (Milan)sInternational Symposium on Residual Gases in Electron Tubes International Symposium on Polarization Phenomena in Nuclear Physics (Balkema)International symposium on field measurements in geomechanics (Balkema)International symposium on filed measurements in geomechanics Grain boundary phenomena in electronic ceramics (Virginia)International Symposium on Molecular Electronic Devices 2d International Symposium on Residual Gases in Electron Tubes