Eckstein, W. (2000). Dynamic Behaviour of the Systems Be-C, Be-W, and C-W. Journal of Nuclear Materials, 281, 195-202. Retrieved from http://www.sciencedirect.com/science?_ob=MImg&_imagekey=B6TXN-418PRH4-D-1N&_cdi=5595&_user=100196&_orig=browse&_coverDate=10%2F31%2F2000&_sk=997189997&view=c&wchp=dGLbVtb-zSkWz&md5=372e1182b60b82137ee338e45dfe23e9&ie=/sdarticle.pdf.