TY - BOOK ID - 137675581 TI - First generation mainframes PY - 2018 SN - 1527522636 9781527522633 9781527506503 1527506509 PB - Newcastle upon Tyne, UK DB - UniCat KW - Computers KW - IBM computers KW - History. UR - https://www.unicat.be/uniCat?func=search&query=sysid:137675581 AB - ER -