TY  - BOOK
AU  - Lewin, Douglas.
TI  - Theory and design of digital computer systems
U1  - 621.381958 
PY  - 1980///
CY  - Survey, England
PB  - Nelson
KW  - Calculadoras electrÃ³nicas digitales
KW  - DiseÃ±o y construcciÃ³n
ER  -