00544nam a2200157Ia 450000500170000000800410001702000150005808200200007310000280009324500500012126000420017165000320021365000200024595201040026599900170036920240911061326.0190528s9999    xx            000 0 und d  a0070353689  a621.381331bKOS  aKoshiba, Masanori91277 0aOptical waveguide analysis/cMasanori Koshiba  aNew York :bMcGraw-Hill, Inc. ,c1990  aElectrical Engineering9795  aElectronics991  00104070aRFbRFd2019-05-28l0o621.381331 KOSpLC-40022/c1r2019-05-28 00:00:00w2019-05-28yBK  c12766d12766