00866nam0-22003131i-450-99000050272040332120071004130013.00-306-30916-5000050272FED01000050272(Aleph)000050272FED0100005027220020821d1977----km-y0itay50------baenga-------001yyInhomogeneous optical waveguidesM. S. Sodha, A. K. GhatakNew York ; LondonPlenum Pressc1977269 p.ill.24 cmOptical physics and engineeringFibre ottiche621.398'1Sodha,Mahendra SinghGhatak,A.K.ITUNINARICAUNIMARCBK99000050272040332110 B III 192L/214 CNRDINELDINELUNINA