TY  - BOOK
AU  - Humbert,Bernard
TI  - Swiss self-winding watches
PY  - 1956///
CY  - Lausanne
PB  - Journal suisse d'horlogerie et de bijouterie
KW  - Clock and watch making
KW  - Switzerland
KW  - fast
KW  - Repair
KW  - Automatic self-winding
KW  - Practical advanced
KW  - Wrist Watch
ER  -