Zeng, Fei; Agnew, Sean R.; Raeisinia, Babak; Myneni, Ganapati R. (2010-03-31). "Ultrasonic Attenuation Due to Grain Boundary Scattering in Pure Niobium". Journal of Nondestructive Evaluation. 29 (2): 93–103. doi:10.1007/s10921-010-0068-2. ISSN0195-9298.
Stanke, Fred E.; Kino, G. S. (1984-03-01). "A unified theory for elastic wave propagation in polycrystalline materials". The Journal of the Acoustical Society of America. 75 (3): 665–681. Bibcode:1984ASAJ...75..665S. doi:10.1121/1.390577. ISSN0001-4966.
Stanke, Fred E.; Kino, G. S. (1984-03-01). "A unified theory for elastic wave propagation in polycrystalline materials". The Journal of the Acoustical Society of America. 75 (3): 665–681. Bibcode:1984ASAJ...75..665S. doi:10.1121/1.390577. ISSN0001-4966.
Zeng, Fei; Agnew, Sean R.; Raeisinia, Babak; Myneni, Ganapati R. (2010-03-31). "Ultrasonic Attenuation Due to Grain Boundary Scattering in Pure Niobium". Journal of Nondestructive Evaluation. 29 (2): 93–103. doi:10.1007/s10921-010-0068-2. ISSN0195-9298.
Stanke, Fred E.; Kino, G. S. (1984-03-01). "A unified theory for elastic wave propagation in polycrystalline materials". The Journal of the Acoustical Society of America. 75 (3): 665–681. Bibcode:1984ASAJ...75..665S. doi:10.1121/1.390577. ISSN0001-4966.