TY  - BOOK
AU  - Sievert,Hermann
AU  - Stern,Michael
TI  - Leitfaden für die Uhrmacherlehre: Reprint von 1938 
SN  - 9783958430358
PY  - 2015///
CY  - Königswinter
PB  - Heel
KW  - Clock and watch making
KW  - Textbooks
KW  - Clocks and watches
KW  - Education
KW  - Germany
KW  - Reference textbook historic watch
KW  - Timekeeper (general)
KW  - lcgft
ER  -