TY - RPRT TI - Low Risk Technique for Sample Acquisition from Remote and Hazardous Sites on a Comet AU - Smith, W. AU - Nuth, J. AU - Leary, J. AU - Wegel, D. AU - Church, J. AU - Grebenstein, M. AU - Voelk, Stefan PY - 2018 UR - https://ntrs.nasa.gov/citations/20180006531 ID - 20180006531 ER -