TY  - BOOK
AU  - Hyltin, Tom M. ,
TI  - Digital Electronic Watch
SN  - 0442225962
U1  - 681.114 
PY  - 1978///
CY  - New York
PB  - Van Nostrand Reinhold Co.
KW  - Electronic Watch
KW  - Precision instruments & other devices
ER  -