TY  - BOOK
AU  - Oberman,R.M.M.
TI  - Electronic counters / 
SN  - 0333150724
U1  - 621.381 OBE 
PY  - 1973///]
CY  - [London] : 
PB  - Macmillan, 
KW  - Digital counters
KW  - Circuits
KW  - Electronic digital computers
N1  -  Includes bibliographical references
ER  -