TY  - BOOK
AU  - Spierdijk,C.
TI  - Klokken en klokkenmakers: zes eeuwen uurwerk, 1300-1900 
PY  - 1965///
CY  - Amsterdam
PB  - De Bussy
KW  - Clocks and watches
KW  - History
KW  - Clock and watch makers
KW  - Netherlands
KW  - Clock
KW  - Timekeeper (general)
ER  -