TY - BOOK ID - 141119510 TI - The works of Charles Babbage AU - Babbage, Charles AU - Campbell-Kelly, Martin PY - 1989 SN - 1851960058 PB - London Pickering DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:141119510 AB - ER -