SEARCH Articles Figures Tables Magnetically perturbed quadrupole spectra Mass spectrum, ‘quadrupole like Mdssbauer spectrum quadrupole splitting Mossbauer quadrupole spectra Mossbauer spectrum electric quadrupole splitting Nuclear quadrupole coupling constants spectrum Nuclear quadrupole resonance spectra Quadrupole echo spectrum Quadrupole hyperfine spectrum Quadrupole mass spectra Quadrupole spectra, angular dependence Rotational spectra nuclear quadrupole coupling