Brown, E. W., & Shool, C. A. (1933). Planetary theory. University Press.
Cita Chicago Style (17a ed.)Brown, Ernest W., y Clarence A. Shool. Planetary Theory. Cambridge: University Press, 1933.
Cita MLA (9a ed.)Brown, Ernest W., y Clarence A. Shool. Planetary Theory. University Press, 1933.
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