ZhETF, Vol. 60,
p. 943 (September 1971)
(English translation - JETP,
The issue content is only available in english translation.
Investigation of the Mechanism of the Elementary Act of Excitation-energy Transfer Between Rare-earth Ions in Crystals
Yu. K. Voron'ko, V.V. Osiko, A.M. Prokhorov, I.A. Shcherbakov
Received: September 23, 1970