Brachaniec et al. (2014)
Also: Brachaniec et al. 2014
Spherules associated with the Cretaceous–Paleogene boundary in Poland
Brachaniec, T., Karwowski, Ł., & Szopa, K. (2014). Spherules associated with the Cretaceous–Paleogene boundary in Poland. Acta Geologica Polonica, 64(1), 110-119. Link to abstract
DOI: 10.2478/agp-2014-0004
References
All IPCC definitions taken from Climate Change 2007: The Physical Science Basis. Working Group I Contribution to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change, Annex I, Glossary, pp. 941-954. Cambridge University Press.