1. Åberg G. and Wickman, F.E.1987 Variations of 87Sr/86Sr in water from streams discharging into the Bothnian Bay, Baltic Sea. Nord. Hydrol. 18, 33--42. 〈https://doi.org/10.2166/nh.1987.0003〉〈〉.
2. Åberg,S., 2013.The Highest Shoreline of the Litorina Sea in Finland. MSc Thesis. Department of Geosciences and Geography, Faculty of Sciences, University of Helsinki. (In Finnish) Available at: https://helda.helsinki.fi/items/290e54f7–3195-48bb-8aa0–88163fc75159.
3. Ahtola, T., Kuusela, J., Koistinen, E., Seppänen, H., Hatakka, T., Lohva, J., 2010. Report of investigations on the Syväjärvi lithium pegmatite deposit in Kaustinen, Western Finland. Mineral deposit report, M19. Geological Survey of Finland (GTK). available at: 〈https://tupa.gtk.fi/raportti/arkisto/m19_2323_2010_44.pdf〉.
4. Ahtola, T. (ed), Kuusela, J., Käpyaho, A. & Kontoniemi, O. 2015. Overview of lithium pegmatite exploration in the Kaustinen area in 2003–2012. Geological Survey of Finland, Report of Investigation 220, 28 pages, 14 figures and 7 tables. Available at 〈https://tupa.gtk.fi/julkaisu/tutkimusraportti/tr_220.pdf〉.
5. Alviola R., Mänttäri I., Mäkitie H., Vaasjoki M., 2001. Svecofennian rare-element granitic pegmatites of the Ostrobothnia region, Western Finland; their metamorphic environment and time of intrusion. Geological Survey of Finland, Special paper 30:9–29. Available at 〈https://tupa.gtk.fi/julkaisu/specialpaper/sp_030_pages_009_029.pdf〉.