00356nam a22001337a 4500 0-89006-478-4 621.3827 ROG ROGERS, ALAN 58128 UNDERSTANDING OPTICAL FIBER COMMUNICATIONS LONDON ARTECH HOUSE 2001 XI,216P OPTICAL COMMUNICATION OPTICAL FIBER 58129 BK 568343 568343 0 0 0 0 CEME CEME GEN 2017-07-14 0 621.3827 ROG CEM-35492 2021-06-28 2021-06-28 BK