Published in
Earth and Space 2014, 2015
DOI: 10.1061/9780784479179.025
Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2013, 2013
DOI: 10.1117/12.2010319
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Auto-Gopher—A Wireline Deep Sampler Driven by Piezoelectric Percussive Actuator and EM Rotary Motor
Proceedings article published in 2015 by
Mircea Badescu,
Aaron Ressa,
Yoseph Bar-Cohen,
Hyeong Jae Lee,
Stewart Sherrit,
Kris Zacny,
Gale L. Paulsen,
Luther Beegle 
,
Xiaoqi Bao
,
Xiaoqi Bao
This paper was not found in any repository, but could be made available legally by the author.
Full text: Unavailable
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