Parmigiani, F., Shen, Z. X., Mitzi, D. B., Lindau, I., Spicer, W. E., & Kapitulnik, A. (1991). O 1s core levels in Bi2Sr2CaCu2O8+ delta single crystals. Physical Review. B, Condensed Matter, 43(4), 3085–3090. https://doi.org/10.1103/physrevb.43.3085

Parmigiani, F., Z. X. Shen, D. B. Mitzi, I. Lindau, W. E. Spicer, and A. Kapitulnik. “O 1s core levels in Bi2Sr2CaCu2O8+ delta single crystals.” Physical Review. B, Condensed Matter 43, no. 4 (February 1991): 3085–90. https://doi.org/10.1103/physrevb.43.3085.

Parmigiani F, Shen ZX, Mitzi DB, Lindau I, Spicer WE, Kapitulnik A. O 1s core levels in Bi2Sr2CaCu2O8+ delta single crystals. Physical review B, Condensed matter. 1991 Feb;43(4):3085–90.

Parmigiani, F., et al. “O 1s core levels in Bi2Sr2CaCu2O8+ delta single crystals.” Physical Review. B, Condensed Matter, vol. 43, no. 4, Feb. 1991, pp. 3085–90. Epmc, doi:10.1103/physrevb.43.3085.

Parmigiani F, Shen ZX, Mitzi DB, Lindau I, Spicer WE, Kapitulnik A. O 1s core levels in Bi2Sr2CaCu2O8+ delta single crystals. Physical review B, Condensed matter. 1991 Feb;43(4):3085–3090.