TY  - BOOK
AU  - MacEwen Glenn H
TI  - Introcuction to computer systems:  Using the PDP-11   
T2  - McGraw Hill Computer Science series
SN  - 0070443505
U1  - D6,9(B), M0 
PY  - 1980///
CY  -  New Delhi 
PB  - McGraw Hill India       
KW  - Computer Science
ER  -