TY  - BOOK
AU  - Hsiao David k
TI  - Systems programming:  Concepts of operating and dat   
T2  - Addison-wesley series in computer science and information processing
U1  - D6,9(B), L5 
PY  - 1975///
CY  - Massachusetts
PB  - Addison-Wesley          
KW  - Computer Science
ER  -