Helama, S., Saranpää, P., Pearson, C. L., Arppe, L., Holopainen, J., Mäkinen, H., . . . 4100310610. Frost rings in 1627 BC and AD 536 in subfossil pinewood from Finnish Lapland. Elsevier.
Chicago Style (17th ed.) CitationHelama, Samuli, et al. Frost Rings in 1627 BC and AD 536 in Subfossil Pinewood from Finnish Lapland. Elsevier.
MLA (9th ed.) CitationHelama, Samuli, et al. Frost Rings in 1627 BC and AD 536 in Subfossil Pinewood from Finnish Lapland. Elsevier.
Warning: These citations may not always be 100% accurate.