Helama, S., Holopainen, J., Macias Fauria, M., Timonen, M., & Mielikainen, K. (2013). A chronology of climatic downturns through the mid- and late- Holocene: Tracing the distant effects of explosive eruptions from palaeoclimatic and historical evidence in northern Europe. Norsk Polarinstitutt.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Helama, S., J. Holopainen, M. Macias Fauria, M. Timonen, và K. Mielikainen. A Chronology of Climatic Downturns Through the Mid- and Late- Holocene: Tracing the Distant Effects of Explosive Eruptions from Palaeoclimatic and Historical Evidence in Northern Europe. Norsk Polarinstitutt, 2013.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)Helama, S., et al. A Chronology of Climatic Downturns Through the Mid- and Late- Holocene: Tracing the Distant Effects of Explosive Eruptions from Palaeoclimatic and Historical Evidence in Northern Europe. Norsk Polarinstitutt, 2013.