• Arseeni ja seleeni määramine juustes AAS - leegita meetodil = Electrothermal AAS for the determination of arsenic and selenium in hairViitak, Anu; Treumann, MailiXVII Eesti keemiapäevad : teaduskonverentsi ettekannete referaadid = 17th Estonian Chemistry Days : abstracts of scientific conference1996 / lk. 227-228 https://www.ester.ee/record=b1070511*est
• Electrothermal AAS for the determination of arsenic and selenium in hairViitak, Anu; Treumann, MailiProceedings of the Estonian Academy of Sciences. Chemistry1996 / 3/4, p. 91-96
• Geochemical factors affecting arsenic and heavy metals mobility in soil profiles in the area of Narva Power Plants (North-Eastern Estonia)Schvede, HediDoctoral students' conference Next generation insights into geosciences and ecology : May 12-13, 2011, Tartu, Estonia : abstracts2011 / p. 81
• 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
• Очистка производственных сточных вод от соединений мышьяка : автореферат ... кандидата технических наук (05.23.04)Akulšin, Aleksandr1988 http://www.ester.ee/record=b1562985*est
• Очистка производственных сточных вод от соединений мышьяка : диссертация ... кандидата технических наук : 05.23.04 - водоснабжение и канализацияAkulšin, Aleksandr1987 http://www.ester.ee/record=b2489654*est