TY  - BOOK
AU  - Croft, G.M.
TI  - Computer studies: a practical approach
SN  - 0340268999
U1  - 004 21st ed.
PY  - 1984///
CY  - London
PB  - Hodder and Stoughton
KW  - Electronic digital computers
N1  - Index: p. 213-16
ER  -