00489nam a2200169Ia 4500008004100000041000800041082001600049100001900065245003100084250001200115260003600127300000800163650002800171942000700199952009800206999001500304230711s9999||||xx |||||||||||||| ||und||  aENG  a621.3bCA-S  aG. Cancellieri 0aSingle mode optical fibers  a2nd Ed.  c1991aNew DelhibPergamon Press  a421  aElectronics Engineering  cBK  001040708CaMCLbMCLd0000-00-00l0o621.3 CA-Sp8289r2023-08-17 14:01:40w2023-08-17yBK  c1844d1844