TY  - GEN
AU  - COLANTONIO,Ernest S
TI  - A labaratory course in DOS, word perfect 5.0, Lotus 1-2-3 and DBase III plus
SN  - 0-669-24502-X
AV  - REF QA74.C66 
PY  - 1990///
CY  - Lexington
PB  - D.C.Heath
KW  - Computers
KW  - Electronic data processing
ER  -