Ma & Myr again
En aquest article un famós científic comenta de nou el tema dels Ma (million years ago) i Myr (million years period)....
Christie-blick, N., 2012. Conventions and Symbols. GSA Today 2010-2011.
Labels: SI units
posted by Jaume Verges @ 29.1.12
1 Comments
1 Comments:
el link!
http://www.geosociety.org/gsatoday/archive/22/2/article/i1052-5173-22-2-28.htm
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