1. Schema zur photometrischen Simultanbe-stimmung von Cu-, Hg-, Cd- und TI- Spuren, Fres;Ackermann;Z. Anal. Chem.,1970
2. Determination of bismuth and thallium by atomic absorption spectrophotometry after extraction with potassium xanthate -methylisobutylketone (Jap.);Aihara;Bunseki Kagaku,1980
3. Sorption of thallium by composed sorbents, including ferrocyanides of the transition metals and silica gel (russ.);Alikin;Izv. Akad. Nauk Turkm. SSR, Ser. Fiz.-Tekhn.-Khim.-Geol. Nauk,1984
4. ICP emission spectra III: the spectra of the group IIIA elements and spectral interferences due to group IIA and IIIA elements;Anderson;Appl Spectr.,1984
5. Prominent lines in ICP-AES, ICP Inf;Barnes;Newsl.,1980