1. Progress in Bi-2223 tape performance
2. Superconducting Glass–Ceramics in Bi–Sr–Ca–Cu–O: Fabrication and its Application,1997
3. ICDD PDF-2 Database Release 1998, ISSN 1084–3116
4. The X’PERT PLUS Rietveld algorithm is based on the source codes of the program LHPM1 (April 11, 1988) of R.J. Hill and C.J. Howard, X’Pert Plus, ©1999 Philips Electronics N.V