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Min Cheol Ahn, Tsuyoshi Yagai, Seungyong Hahn, Ryuya Ando, Juan Bascunan, and Yukikazu Iwasa, "Spatial and Temporal Variations of a Screening Current Induced Magnetic Field in a Double-Pancake HTS Insert of an LTS/HTS NMR magnet," IEEE Trans. Appl. Supercond., vol.19, no.3, pp.2269-2272, Jun. 2008.
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