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.
芝加哥风格引文Helama, S., J. Holopainen, M. Macias Fauria, M. Timonen, 与 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.
MLA引文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.