1. Á. Bardócz, Interrupted Arc for Spectrum Analysis, Acta Physica Hungarica1, 247, 1952.
2. Á. Bardócz, Interrupted are source for spectrographic analysis (in Hungarian), Elektrotechnika44, 174, 1951.
3. K. Pfeilsticker, Der Abreissbogen mit Hochfrequenzzündung, Zs. Elektrochem.43, 719, 1937.
4. N. S. Sventitsky, Interrupted Arc for Spectral Analysis, Zavodskaya Lab.6, 325, 1937.
5. N. S. Sventitsky, Quantitative Spectrographic Analysis of Brass and Bronze, Zavodskaya Lab.7, 1371, 1938.