TY  - BOOK
AU  - Xu,Zhengyi
AU  - Yang, Yee-Pien,
TI  - Design of machine elements
U1  - 621.815 
PY  - 2020///
CY  - USA
PB  - Scitus Academics LLC, 
KW  - Machine design
N1  - Includes bibliographical references
ER  -