1. Nuclear magnetic shieldings and molecular structure,1993
2. Modeling NMR chemical shifts: gaining insights into structure and environment,1999
3. Calculation of NMR and EPR parameters: theory and applications,2004
4. Understanding NMR chemical shifts;Jameson;Annu Rev Phys Chem,1996
5. Ab initio methods for the calculation of NMR shielding and indirect spin−spin coupling constants;Helgaker;Chem Rev,1999