1. 1M.L. Leslie , "Program CASCADE: Description of Data Sets for Use in Crystal Defect Calculations," Daresbury Laboratory Technical Memorandum DL/SCI/TM31T, SERC Daresbury Laboratory, Warrington, UK, 1982 .
2. 2P.W. Tasker , "A guide to MIDAS. A Program for Studying Extended Defects and Surfaces in Ionic Crystals,"AERE Rept. No. AERE-R9130, AERE Harwell, Didcot, UK, 1978 .
3. A calculation of the formation energies of intrinsic defects near grain boundaries in NiO
4. Theory of the Dielectric Constants of Alkali Halide Crystals