"Blueschist". About.com Education. Archived from the original on 8 اكتبر 2016. Retrieved 2015-12-12. {{cite web}}: Check date values in: |archive-date= (help)
doi.org
Palin, Richard M.; White, Richard W. (2016). "Emergence of blueschists on Earth linked to secular changes in oceanic crust composition". Nature Geoscience. 9 (1): 60–64. doi:10.1038/ngeo2605.
web.archive.org
"Blueschist". About.com Education. Archived from the original on 8 اكتبر 2016. Retrieved 2015-12-12. {{cite web}}: Check date values in: |archive-date= (help)
