Geusic, J. E.; Marcos, H. M.; Van Uitert, L. G. (1964). “Laser oscillations in nd-doped yttrium aluminum, yttrium gallium and gadolinium garnets”. 《Applied Physics Letters》 4 (10): 182. Bibcode:1964ApPhL...4..182G. doi:10.1063/1.1753928.
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Geusic, J. E.; Marcos, H. M.; Van Uitert, L. G. (1964). “Laser oscillations in nd-doped yttrium aluminum, yttrium gallium and gadolinium garnets”. 《Applied Physics Letters》 4 (10): 182. Bibcode:1964ApPhL...4..182G. doi:10.1063/1.1753928.
