TY  - BOOK
AU  - Foxcroft,G.E.
AU  - Lewis,John L.
AU  - Summers,M.K.
TI  - Electronics: a systems approach to digital electronics 
SN  - 0582231752
PY  - 1986///
CY  - Harlow : 
PB  - Longman, 
KW  - Electronic apparatus and appliances
N1  - Includes index
ER  -