TY - BOOK ID - 16868505 TI - Telecommunication systems design. AU - Hills, Michael Turner AU - Evans, Barry George PY - 1979 SN - 0046210261 9780046210267 PB - London : Allen & Unwin, DB - UniCat KW - Telecommunication KW - Switching systems KW - Telecommunication - Switching systems UR - https://www.unicat.be/uniCat?func=search&query=sysid:16868505 AB - ER -