1. Ringed Seal in the Lake Ladoga and on Valaam Archipelago Islands;Agafonova,2007
2. Toxicological Profile for Arsenic,2007
3. Toxicological Profile for Aluminum;Agency for Toxic Substances and Disease Registry (ATSDR),2008
4. Toxicological Profile for Vanadium;Agency for Toxic Substances and Disease Registry (ATSDR),2012
5. Change in the ecological state of Lake Ladoga taking into account the impact of economic activity on its catchment area;Alkhimenko,2008