The Raman spectra of PbTiO sub 3 and solid solutions of NaTaO sub 3-KTaO sub 3 and KTaO sub 3-KNbO sub 3
Raman spectra of lead titanium trioxide and solid solutions of sodium tantalum trioxide-potassium tantalum trioxide and potassium niobium trioxide
Perry, C. H.↗