TY  - BOOK
AU  - Schulman, Andrew
TI  - Undocumented dos: A programmer's guide to reserved ms-dos functions and data structures 
T2  - Andrew schulman programming series
SN  - 020163287x
AV  - QA76.76O63 U499 1994
PY  - 1994///
CY  - Reading, massachusetts
PB  - Addison-wesley
KW  - MS-DOS (Sistema operativo de computadora)
ER  -