TY  - BOOK
AU  - Buckingham, Earle
AU  - Ryffel, Henry H.
TI  - DESIGN OF WORM AND SPIRAL GEARS
U1  - 621.83 
PY  - 1960///
CY  - New York
PB  - Industrial Press
KW  - Gearing, Work
KW  - Gearing, Spiral
ER  -