TY  - GEN
AU  - Shigley, Joseph E.
TI  - Power transmission elements: a mechanical designer's workbook 
SN  - 0070569290
U1  - 621.81 
PY  - 1986///
CY  - New York
PB  - McGraw-Hill publishing company
KW  - Machinery-Design-Handbooks
ER  -