High resolution NMR spectroscopy : understanding molecules and their electronic structures Brief account of nonrelativistic theory of NMR parametersChemical shift in paramagnetic systemsRelative effects on NMR parametersThe polarization propagator approach as a tool to study electronic molecular structures from high resolution NMR parametersAnalysis of contributions to spin spin coupling constants by the natural J Coupling methodElectronic current densities induced by magnetic fields and nuclear magnetic dipoles: theory and computation of NMR spectral parametersTransmission mechanisms of the Fermi Contact term of spin spin couplingsNonbonded indirect nuclear spin spin couplings (J Couplings through space ) for structural determination in small organic and organometallic speciesChemical shift trends in light atomsApplication of ¹³C ¹³C spin spin couplings in structural studies on organic compounds.