TY  - BOOK
AU  - Bernstein, Jeremy
TI  - The Analitycal engine : : computers, past, present and future 
AV  - QA 76.17 B47 1964
PY  - 1964///
CY  - New York 
PB  - : Random house
KW  - Computadoras
KW  - - Historia
ER  -