Two methods for a first order hardware gradiometer using two high temperature superconducting quantum interference devices
1998 ◽
Vol 69
(1)
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pp. 123-129
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2010 ◽
Vol 27
(8)
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pp. 088503
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1997 ◽
Vol 282-287
◽
pp. 411-414
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2016 ◽
Vol 26
(5)
◽
pp. 1-6
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