共 4 条
[3]
ENERGY TRANSFER BETWEEN EXCITED ER3+ IONS IN ALKALINE EARTH FLUORIDES
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PHYSICS LETTERS,
1965, 18 (02)
:95-&
[4]
SOME ASPECTS OF INFRA-RED QUANTUM COUNTER ACTION IN ER-DOPED SRF2
[J].
BRITISH JOURNAL OF APPLIED PHYSICS,
1965, 16 (05)
:619-&