..a small and quite incomplete collection of (x-ray) physics links and tools:

· Center of X-ray Optics (CXRO) (very helpful source for all kind of absorption/transmission/reflection problems)

· Excellent source for atomic scattering factors

· Periodic Tables:

 English:  webelements or chemlab

Deutsch: Periodensystem der Elemente

Français: Université Pierre et Marie Curie, Académie de Rouen

Svensk:  Chalmers tekniska högskola, Periodiska Systemet

· Grazing incidence small angle scattering simulation

· Kramers-Kronig calculation of f’