TY  - BOOK
AU  - Dudley, Darle W.
TI  - Handbook of Practical Gear Design 
SN  - 1566762189
U1  - 621.83302 
PY  - 1994///
CY  - Boca Raton : 
PB  - CRC Press, 
KW  - Gearing Handbooks Manuals
N1  - YY
UR  - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/1-56676-218-9.pdf
ER  -