P Xxvii 2014 10a !!exclusive!! -

The reference "p xxvii 2014 10a" most likely refers to a specific citation within the Planck Satellite 2013 results published in the journal Astronomy & Astrophysics Specifically, the "XXVII" refers to Paper XXVII in that series:

The and how it allows us to "see" invisible gas. p xxvii 2014 10a

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