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Cultural astronomy in Latin America [E-Book] /
Other Personal Name(s): “...Gullberg, Steven R....”

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Essays on Astronomical History and Heritage [E-Book] : A Tribute to Wayne Orchiston on his 80th Birthday /
Other Personal Name(s): “...Gullberg, Steven...”

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Astronomy of the Inca Empire [E-Book] : Use and Significance of the Sun and the Night Sky /
Other Personal Name(s): “...Gullberg, Steven R....”

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