1. R. Carbó-Dorca, Mathematical aspects of the LCAO MO Density Function (1): Atomic Partition, Metric Structure and Practical Applications; J. Math. Chem. (Submitted for Publication)
2. R. Carbó-Dorca, Mathematical aspects of the LCAO MO Density Function (2): Mathematical Aspects of the LCAO MO First Order Density Function (2): Relationships between Density Functions; J. Math. Chem. (Submitted for Publication)
3. Pipek J., Mezey P.G. (1989). J. Chem. Phys. 90: 4916
4. Edminston C., Ruedenberg K. (1963). Rev. Mod. Phys. 35: 457
5. Boys F. (1960). Rev. Mod. Phys. 32: 296