TY  - BOOK
AU  - Hansen ,Per Brinch
TI  - Programming a Personal Computer 
SN  - 0137302835
U1  - 001.642 
PY  - 1982///
CY  - New Jersey: 
PB  - Prentice Hall , 
KW  - Computer Science
KW  - Disk Format
KW  - Modules
KW  - Variables
ER  -