JETP, Vol. 29,
No. 1,
p. 86 (July 1969)
(Russian original - ZhETF,
Vol. 56,
No. 1,
p. 151,
July 1969
)
Optical Centers and the Interaction of Yb3+ Ions in Cubic Fluorite Crystals
Yu. K. Voron'ko, V.V. Osiko, I.A. Shcherbakov
Received: August 13, 1968
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