TY  - BOOK
AU  - Mai,Kelmens
TI  - DOS 5.0 essentials
SN  - 1557551154 
PY  - 1991///
CY  - Grand Rapids, MI
PB  - Abacus
KW  - MS-DOS (Computer file)
KW  - Operating systems (Computers)
N1  - "A Data Becker book."
ER  -