• Application of TG-DTG, FTIR and ICP-AES techniques for analysis of historical mortarsPaama, L.; Pitkänen, I.; Rönkkömäki, H.; Perämäki, P.; Ilomets, Tullio23rd Estonian Chemistry Days : abstracts of scientific conference1997 / p. 104
• Application of the ion chromatography for the speciation of the sample components in atom absorption spectroscopyKaljurand, Mihkel; Viitak, Anu; Treumann, Maili; Hödrejärv, HelviChimia1998 / 7/8, p. 343
• Application of the ion chromatography for the speciation of the sample components in atom absorption spectroscopyKaljurand, Mihkel; Viitak, Anu; Treumann, Maili; Jakovleva, Irina; Hödrejärv, Helvi23rd Estonian Chemistry Days : abstracts of scientific conference1997 / p. 46
• Determination of silver in standard reference materials by cloud point extraction following atomic absorption spectrometryKilinc, Ersin; Lepane, Viia; Viitak, Anu; Gumgum, B.Euroanalysis XIV : Antwerp (Belgium), 9-14 September 2007 : book of abstracts2007 / p. 224
• Ioonkromatograafia kasutamine proovi spetsifitseerimiseks aatomabsorptsioonspektroskoopiasKaljurand, Mihkel; Viitak, Anu; Treumann, Maili; Jakovleva, Irina; Hödrejärv, HelviXXIII Eesti keemiapäevad : teaduskonverentsi ettekannete referaadid1997 / lk. 41
• Pseudo-total analysis for metallic elements in siliceous soil by acid digestion and flame atomic absorption spectrometryHödrejärv, Helvi; Vaarmann, AiniAnalytica chimica acta1999 / p. 293-301: ill https://www.sciencedirect.com/science/article/abs/pii/S0003267099004808#:~:text=Pseudo%2Dtotal%20analysis%20(PTA),found%20with%20Cu%20and%20Pb.
• Simple procedure for the determination of Cd, Pb, As and Se in biological samples by electrothermal atomic absorption spectrometry using colloidal Pd modifierViitak, Anu; Volynsky, Anatoly B.Talanta2006 / 4, p. 890-895 : ill https://www.sciencedirect.com/science/article/pii/S0039914006001330
• TG-DTG, FTIR ja ICP-AES tehnikate kasutamine ajalooliste mörtide analüüsilPaama, L.; Pitkänen, I.; Rönkkömäki, H.; Perämäki, P.; Ilomets, T.XXIII Eesti keemiapäevad : teaduskonverentsi ettekannete referaadid1997 / lk. 95
• The atomic absorption spectrometry of main and trace metals in siliceous soilHödrejärv, Helvi; Vaarmann, Aini; Viitak, Anu; Treumann, MailiChimia1998 / 7/8, p. 383