1. NATO Advanced Research Workshop on Investigations and Applications on Severe Plastic Deformation,2000
2. TMS Symposium: Ultrafine Grained Materials II,2002
3. Nanomaterials by Severe Plastic Deformation—NANOSPD2,2004
4. TMS Symposium: Ultrafine Grained Materials III,2004
5. NATO Advanced Research Workshop: Nanostructured Materials by High Pressure Severe Plastic Deformation, Donetsk, Ukraine, September 22–26, 2004, Unpublished.