Saarnisto, Matti; Grönlund, Tuulikki; Ekman, Ilpo (1995-01-01). "Lateglacial of Lake Onega — Contribution to the history of the eastern Baltic basin". Quaternary International. 27 (Supplement C): 111–120. Bibcode:1995QuInt..27..111S. doi:10.1016/1040-6182(95)00068-T.
Saarnisto, Matti; Grönlund, Tuulikki (1996). "Shoreline displacement of Lake Ladoga – new data from Kilpolansaari". Hydrobiologia. 322 (1–3): 205–215. doi:10.1007/BF00031829. S2CID42459564.
Saarnisto, Matti; Grönlund, Tuulikki; Ekman, Ilpo (1995-01-01). "Lateglacial of Lake Onega — Contribution to the history of the eastern Baltic basin". Quaternary International. 27 (Supplement C): 111–120. Bibcode:1995QuInt..27..111S. doi:10.1016/1040-6182(95)00068-T.
Saarnisto, Matti; Grönlund, Tuulikki (1996). "Shoreline displacement of Lake Ladoga – new data from Kilpolansaari". Hydrobiologia. 322 (1–3): 205–215. doi:10.1007/BF00031829. S2CID42459564.