TY  - BOOK
AU  - Shigley,Joseph E.
AU  - Mischke,Charles R.
TI  - Power Tramsmission Elements: A Mechanical Designers' Workbook 
SN  - 0070569290
PY  - 1990///
CY  - New York
PB  - McGraw-Hill Publishing Company
N1  - bibliogr
ER  -