1. (1989). Immunologically active polysaccharides from Achyrocline satureioides (Lam.) DC. and Arnica montana L. so as from cell cultures from A. montana L, Ph.D. Thesis, University of Munich, Munich.
2. (1984). Chemical and pharmacological investigation on Achyrocline satureioides (Lam.). DC.—Compositae., M.Sc. Thesis, University of Rio Grande do Sul, Porto Alegre.
3. , , and (1986). Plantas da Medicina Popular do Rio Grande do Sul. EDUFRGS, Porto Alegre.
4. (1987). Padronization of hydroalcoholic extracts from the inflorescences of Achyrocline satureioides (Lam.) DC.—Compositae, M.Sc. Thesis, University of Rio Grande do Sul, Porto Alegre.