- Similar and different features in the palaeolimnology of two connected shallow large lakes over the last 100 years (north-eastern Europe)Leeben, Aina; Alliksaar, Tiiu; Heinsalu, Atko; Freiberg, Rene; Lepane, Viia; Tõnno, IlmarThe 7th International Shallow Lake Conference : Conservation, Management and Restoration of Shallow Lake Ecosystems Facing Multiple Stressors : Wuxi, China, April 24-28 : programs and abstracts2011 / p. 115-116