TY  - BOOK
AU  - B Jack Copeland
TI  - Colossus: The First Electronic Computer
SN  - 9780192840554
CY  - UK
KW  - Computers
KW  - Lorens Ciper
KW  - Thermo Valves
KW  - 2.Nonfiction
N1  - Adult: 18yrs
ER  -