Doel, R. E. (1996). Solar system astronomy in America: Communities, patronage, and interdisciplinary science, 1920-1960. Cambridge, UK.: Cambridge University Press.
Παραπομπή Chicago StyleDoel, Ronald Edmund. Solar System Astronomy in America: Communities, Patronage, and Interdisciplinary Science, 1920-1960. Cambridge, UK.: Cambridge University Press, 1996.
Παραπομπή MLADoel, Ronald Edmund. Solar System Astronomy in America: Communities, Patronage, and Interdisciplinary Science, 1920-1960. Cambridge, UK.: Cambridge University Press, 1996.
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