DIFFUSE X-RAY STUDIES OF TTF0.01TSeF0.99-TCNQ AND DSeDTF-TCNQ M. Sakai, S. Kagoshima and E.M. Engler J. Phys. Colloques, 44 C3 (1983) C3-1313-C3-1316 DOI: 10.1051/jphyscol/1983187