Bo Yong Kim, Chang Woo Shin, Won Tae Jeong, Sung Yong Park, Han Kee Jang, Seong Jae Kim and Yeon June Kang, Interior Noise Reduction of Wheel Loader Using Transfer Path Analysis and Panel Contribution Analysis , Transactions of the Korean Society for Noise and Vibration Engineering, 18(8) : 805-815 2008