Dinnebier, R. E. Scientific Facility X-Ray Diffraction (Robert E. Dinnebier), Max Planck Institute for Solid State Research, Max Planck Society;
Schmidt, M. U., Ermrich, M., & Dinnebier, R. E. (2005). Determination of the structure of the violet pigment C22H12Cl2N6O4 from a non-indexed X-ray powder diagram. Acta Crystallographica B, 61, 37-45.