TY  - BOOK
AU  - MACEWAN, G.H
TI  - INTRODUCTION TO COMPUITER SYSTEMS USING THE PDO-II AND PASCAL
SN  - 0-07-044350-5
U1  - 005.133-P MAC'I 
PY  - 1981///
CY  - NEWYORK
PB  - MCGRAW HILL
ER  -