Sirviö, Tommi, and Meri Kajander. 2003. “Holocene Development of the Pennala Basin With Special Reference to the Palaeoenvironment of Meso- and Neolithic Dwelling Sites, Lahti–Orimattila, Southern Finland”. Fennia - International Journal of Geography 181 (1):85-101. https://fennia.journal.fi/article/view/3758.