Electron paramagnetic resonance of rare earth ions in zeolites
1977 ◽
Vol 81
(5)
◽
pp. 435-449
◽
2009 ◽
Vol 131
(3)
◽
pp. 034505
◽
1973 ◽
Vol 6
(8)
◽
pp. 1432-1443
◽