TY  - BOOK
AU  - Hartley,M.G.
AU  - Healey,Martin
TI  -  First Course in Computer Technology 
T2  - McGraw-Hill electrical engineering series
SN  - 0070840806 :
U1  - 001.64 
PY  - 1978///
CY  - London, New York
PB  - McGraw-Hill Book Co.
KW  - Electronic digital computers
KW  - Calculators
ER  -