[1]A. Jakóbik – Kolon, M. Smolik, и E. Miodek, PMI, т. 174, сс. 148-150, мар. 2008.

[1]A. Jakóbik – Kolon, M. Smolik, and E. Miodek, “Determination of hafnium in zirconium compounds using flame atomic absorption spectrometry (FAAS)”, PMI, vol. 174, pp. 148-150, Mar. 2008.