TY  - BOOK
AU  - Leon,Alexis .
AU  - Leon,Mathews  .
TI  - Introduction to computers / 
SN  - 0812590790
U1  - 004 
PY  - 1999///
CY  - Chennai : 
PB  - Leon TECH World , 
KW  - COMPUTER
N1  - NULL
ER  -