TY  - GEN
AU  - Engelmann,M A
TI  - The air turbine
SN  - 0028-7296
PY  - 1980///0523
KW  - Dental High-Speed Equipment
KW  - history
KW  - Dental Instruments
KW  - History, 20th Century
N1  - Publication Type: Historical Article; Journal Article
ER  -