1. See the proceedings of the following International Conferences appeared in special issues of Nuclear Instruments and Methods in Physics Research Section B: Nucl. Instrum. Methods Phys. Res. B 2002, 193, Proc. of the 19th Intern. Conf. on Atomic Collisions in Solids; Nucl. Instrum. Methods Phys. Res. B 2002, 190, Proc. of the 15th Intern. Conf. on Ion Beam Analysis; Nucl. Instrum. Methods Phys. Res. B 2001, 175-177, Proc. of the 12th Intern. Conf. on Ion Beam Modification of Materials; Nucl. Instrum. Methods Phys. Res. B 2001, 181, Proc. of the 7th Intern. Conf. on Nuclear Microprobe Technology and Applications.