Barrow, J., Ferreira, P., & Silk, J. (1997). Constraints on a Primordial Magnetic Field.
Lua i Stíl Chicago (17ú heag.)Barrow, J., P. Ferreira, agus J. Silk. Constraints on a Primordial Magnetic Field. 1997.
Lua MLA (9ú heag.)Barrow, J., et al. Constraints on a Primordial Magnetic Field. 1997.
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