1. R. M. Aminova, ?Calculation of nuclear magnetic shielding constants by the MO LCAO method using Gaussian functions,? Dokl. Akad. Nauk SSSR, 219, 625?628 (1974).
2. I. Ts. Lyast and V. G. Kashitsina, ?A complex program for the calculation of molecular integrals using the simplest Gaussian functions,? Zh. Strukt. Khim., 10, 1133?1134 (1969).
3. R. M. Aminova, I. Ts. Lyast, and Z. M. Usmanova, ?The attraction of Gaussian functions for the calcualtion of magnetic shielding constants of protons in (C-H) bonds,? Dokl. Akad. Nauk SSSR, 210, 623?625 (1973).
4. M. Karplus and T. P. Das, ?Theory of localized contributions to the chemical shift. Application to fluorobenzenes,? J. Chem. Phys., 34, 1683?1692 (1961).
5. J. A. Pople, ?Molecular-orbital theory of diamagnetism. I. An approximate LCAO scheme,? J. Chem. Phys., 37, 53?59 (1962).