TY  - BOOK
AU  - Blissmer, Robert H. 
TI  - Introducing computers: : concepts, systems and applications
SN  - 0471534439
AV  - QA 76  B558 1991 
PY  - 1991///
CY  - New York
PB  - : John Wiley 
KW  - Computadoras
N1  - Includes index
ER  -