@misc{indiciae955ebcc52277, title = {Powder-Collection System for Ultrasonic/Sonic Drill/Corer}, author = {Sherrit, Stewart and Bar-Cohen, Yoseph and Bao, Xiaoqi and Chang, Zensheu and Blake, David and Bryson, Charles}, year = {2005}, url = {https://ntrs.nasa.gov/citations/20110014691}, note = {Source identifier: 20110014691} }