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Radiation Absorption between the Ultraviolet and X-ray Bands
New Series, Vol. 153, No. 3735 (Jul. 29, 1966), pp. 522-525
Published by: American Association for the Advancement of Science
Stable URL: http://www.jstor.org/stable/1719895
Page Count: 4
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The recent initial exploration of photoabsorption in a previously unmapped portion of the spectrum, photon energies between approximately 20 and 500 electron volts or wave-lengths between 20 and 600 angstroms, is reviewed.
Science © 1966 American Association for the Advancement of Science