00717nam a2200217Ia 4500003000900000008004100009020001900050040001600069080001700085100002300102245009600125260003500221300001500256650001900271650003400290650003100324650002600355942000700381999001700388952009400405IN-BaIIA211028s9999    xx            000 0 eng d  a0-87692-478-10  cIIA Library  a621.391bGOW  aGowar, John917889 0aOptical communication systemscJohn Gowar                                                    aNew DelhibPrentice-Hallc1992  axiv, 577p.  aNASA thesaurus  aOptical communications910869  aOptical electronics910870  aOptoelectronics93202  cBK  c10519d10519  00104070aBANbBANcGENd1992-12-17l0o621.391/ GOWp11430r2021-11-05w1992-12-17yBK