TY  - BOOK
AU  -  MacEwen,Glenn H .
TI  - Introduction to computer systems: using the PDP- II and pascal / 
U1  - 004 
PY  - 1981///
CY  - London : 
PB  - Mc-Graw Hill Book Company , 
KW  -  PDP- II & Pascal
KW  - Computer science
KW  - PDP- II & Pascal
ER  -