المؤلفون: Gouge, M. J., Duckworth, R. C., Demko, J. A., Rey, C. M., Thompson, J. R., Lindsay, D. L., Tolbert, J. C., Willen, D., Lentge, H., Thidemann, C., Kledal, I. D., Carter, W. L.

المصدر: IEEE Transactions on Applied Superconductivity IEEE Trans. Appl. Supercond. Applied Superconductivity, IEEE Transactions on. 19(3):1744-1747 Jun, 2009