Hannes Alfvén AutographPrinted scientific article signed, seven pages (both sides), 8 x 10,5 inch, scientific article entitled `Origin of Cosmic Magnetic Fields` by Hannes Alfvn reprint from `Physics of the Earth and Planetary Interiors` 20 (1979), signed on the front page in dark ink "Hannes Alfvn", stitched to the left edge otherwise in very fine condition.
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