Universidade Federal do Paraná
LNLS - Laboratório Nacional de Luz Sincrotron
IUCr - International Union of Crystallography
Silicon Valley X-Ray Site
X-ray WWW Server
X-ray Data Booklet
CXRO - Center for X-Ray Optics
European Synchrotron Radiation Facility
Nobel e-Museum
ICTP - The Abdus Salam international centre for theoretical physics
NSLS - National Synchrotron Light Source
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