https://ws.lib.ttu.ee/publikatsioonid/et/publ/item/9794ce7c-a774-41b6-8c65-31a987c0aea6
Pirrus, E. - TalTech teadusportaal
Erratic boulders. Pirrus, Enn-Aavo - TalTech teadusportaal, artikkel kogumikus
pirrustaltech
https://doi.pangaea.de/10.1594/PANGAEA.740677
Pirrus, R (2010): Age determination of sediment core RAIGASTV, Raigastvere Lake, Estonia
Pirrus, Reet (2010): Age determination of sediment core RAIGASTV, Raigastvere Lake, Estonia [dataset]. European Pollen Database (EPD), PANGAEA,...
sediment corepirrusagedeterminationraigastvere