TY - BOOK AU - Will,Georg TI - Powder diffractions: the rietveld method and the two-stage method to determine and refine crystal structures from powder diffraction data SN - 3540279857 U1 - 548.83 W66P PY - 2006/// CY - New York PB - Springer-Verlag KW - X-ray powder diffraction data KW - Electron density distribution ER -