TY  - BOOK
AU  - HELD, Gilbert
AU  - 
TI  - IBM PC & PC XT: User's reference manual
U1  - 004.165I 
PY  - 1987///
CY  - DELHI
PB  - BPB
KW  - IBM PERSONAL COMPUTERS
KW  - MICROCOMPUTERS - IBM PERSONAL COMPUTERS
ER  -