Zhang, Y., Lu, C., Zhou, S., Chung, K. C., Kim, Y. K. & Dou, S. Xue. (2009). Influence of heat treatment on superconductivity of MgB2 bulk sintered in flowing welding grade ar atmosphere. IEEE Transactions on Magnetics, 45 (6), 2626-2629.
Zhang, Y., Lu, C., Zhou, S., Chung, K. C., Kim, Y. K. & Dou, S. Xue. (2009). Influence of heat treatment on superconductivity of MgB2 bulk sintered in flowing welding grade ar atmosphere. IEEE Transactions on Magnetics, 45 (6), 2626-2629.