@misc{indiciaec9e772c60fa8, title = {Direct Sub-Surface Measurements Through Precise Micro Drilling.}, author = {Su, Jiann-Cherng and Bettin, Giorgia and Buerger, Stephen and Lowry, Thomas Stephen and Gramann, Mark R.}, year = {2019}, url = {https://www.osti.gov/biblio/1761864}, note = {Source identifier: 1761864} }