00437nam a2200181Ia 4500003000400000005001700004008004100021020002200062040000800084082001600092100004300108245004400151250000900195260001300204260000900217300000800226650002100234AIT20230522104257.0221231s9999    xx            000 0 und d  a978-0-12-374092-2  cait  a621.382 RAM  aRamaswami, Rajiv., Sivarajan, Kumar N. 0aOptical Networks A Pratical Perspective  a3 rd  bElserver  c2010  a893  aComputer Science