TY  - BOOK
AU  - Blissmer,Robert H.
TI  - Introducing computers: Concepts, systems, and applications 
SN  - 0471534439
AV  - QA76 B55 1991
PY  - 1991///
CY  - New York
PB  - J. Wiley
KW  - Computadoras
ER  -