Delley, B. (1990). "An all‐electron numerical method for solving the local density functional for polyatomic molecules". J. Chem. Phys. 92 (1): 508. Bibcode:1990JChPh..92..508D. doi:10.1063/1.458452.
Delley, B. (1996). "Fast Calculation of Electrostatics in Crystals and Large Molecules". J. Phys. Chem. 100 (15): 6107–6110. doi:10.1021/jp952713n.
Delley, B. (1990). "An all‐electron numerical method for solving the local density functional for polyatomic molecules". J. Chem. Phys. 92 (1): 508. Bibcode:1990JChPh..92..508D. doi:10.1063/1.458452.