00334nam a2200121Ia 4500 230718s9999||||xx |||||||||||||| ||und|| 621.369 BLACK UYLESS OPTICAL NETWORKS : THIRD GENERATION, TRANSPORT TRASPORT SYSTEMS 1 PEARSON EDUCATION 2002 SINGAPORE 331 3 0 0 0 COM NMA NMA STACK3:SH:2B 2002-07-05 M/S SOUTHERN BOOK SELLERS B'LO 295.00 2909 / 2002-06-19 0 621.369 29586 2025-07-01 00:00:00 2023-07-19 BK 40103 40103