Меловой период

Koymans, M. R., Langereis, C. G., Pastor-Galán, D., & van Hinsbergen, D. J. (2016) Paleomagnetism.org: An online multi-platform open source environment for paleomagnetic data analysis// Computers & Geosciences, Vol.93, p. 127–137.

http://www.geologist.nl/images/2016_Koy ... Geosci.pdf