TY  - GEN
AU  - Haviland, Robert
TI  - Buld-it book of digital electronic timepieces
SN  - 0830669051
U1  - 681.118 
PY  - 1977///
CY  - Blue Ridge Summit
PB  - Tab Books
KW  - Clocks and watches
N1  - PB; Includes bibliography and index
ER  -