@misc{indiciae64cd98ab4b9b, title = {Ultrasonic/sonic sampler and sensor platform for in-situ planetary exploration}, author = {Bar-Cohen, Y. and Sherrit, S. and Bao, X. and Chang, Z.}, year = {2003}, url = {https://ntrs.nasa.gov/citations/20060028894}, note = {Source identifier: 20060028894} }