00334nam a2200121Ia 4500008004100000041000800041082001400049100002100063245003100084250001400115260005500129650002800184230711s9999||||xx |||||||||||||| ||und||  aENG  a540bKO-O  aKoshiba,Masanori 0aOptical waveguide analysis  a1st . Ed.  c1992aNew YorkbTata McGraw Hill Education Limited  aElectronics Engineering