cosponsored by the Institute of Communication Engineers ... [et al.], in cooperation with the IEEE Lasers and Electro-Optics SocietyBusiness Center for Academic Societies Japan[1992?]<M15-A8401>
sponsored by the Japan Society of Applied Physics, in cooperation with Lasers and Electro-optics Society, IEEE ... [et al.]Noguchi Corp.c1995<M15-A9922>