TY - BOOK ID - 11864454 TI - Digital Telecommunication : part 3: Line equipment for fiber-optic transmission systems. PY - 1988 SN - 3800915219 PB - Berlin : Siemens Aktiengesellschaft, DB - UniCat KW - 621.39 UR - https://www.unicat.be/uniCat?func=search&query=sysid:11864454 AB - ER -