Year	2007
Authors	Ching-Hua Hung ,Jung-Chung Hung, Yu-Chung Tsai and Chinghua Hung*
Paper Title	“Frictional Effect of Ultrasonic-vibration on Upsetting “
Journal Title	Ultrasonics
Vol.No	Vol. 46
Page(s)	277-284
Level Type	SCI,EI
Language	English