@misc{indiciae9fc2226deaaa, title = {Gradiometer Using Middle Loops as Sensing Elements in a Low-Field SQUID MRI System}, author = {Penanen, Konstantin and Hahn, Inseob and Ho Eom, Byeong}, year = {2009}, url = {https://ntrs.nasa.gov/citations/20090016101}, note = {Source identifier: 20090016101} }