Hossain, Z., Strässle, T., Geibel, C., & Furrer, A. (2004). First-order valence transition and barocaloric effect in EuNi2(Si1-xGex)2. Journal of Magnetism and Magnetic Materials, 272-276, 2352-2354. doi:10.1016/j.jmmm.2003.12.701.