TY  - BOOK
AU  - Held, Gilbert 
AU  - 2nd ed.
TI  - IBM PC & PCXT  : user reference manual
U1  - 004.1 
PY  - 1987///
CY  - New Delhi
PB  - BPB Publications
KW  - Computer science
KW  - Mainframe computers
N1  - Includes index
ER  -