Barry et al. 2006, p. 240. Barry, T. L.; Pearce, J. A.; Leat, P. T.; Millar, I. L.; le Roex, A. P. (15 December 2006). "Hf isotope evidence for selective mobility of high-field-strength elements in a subduction setting: South Sandwich Islands". Earth and Planetary Science Letters. 252 (3): 223–244. Bibcode:2006E&PSL.252..223B. doi:10.1016/j.epsl.2006.09.034.
Barry et al. 2006, p. 240. Barry, T. L.; Pearce, J. A.; Leat, P. T.; Millar, I. L.; le Roex, A. P. (15 December 2006). "Hf isotope evidence for selective mobility of high-field-strength elements in a subduction setting: South Sandwich Islands". Earth and Planetary Science Letters. 252 (3): 223–244. Bibcode:2006E&PSL.252..223B. doi:10.1016/j.epsl.2006.09.034.