TY  - BOOK
AU  - Stern, Nancy  .
AU  - Stern Robert,A  .
TI  - Computing applications:using DOS,word perfect,lotus 1-2-3 and dBASE-lV / 
SN  - 0  471  51848  4
U1  - 005.1 
PY  - 1990///
CY  - London : 
PB  - John Wiley & Sons , 
ER  -