Billerica Public Library
Earth (Planet) -- Origin
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http://bibfra.me/vocab/lite/Concept
Label
Earth (Planet) -- Origin
Name
Earth (Planet)
Focus
Earth (Planet)
Sub focus
Origin
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Subject of
3
A brief history of Earth, four billion years in eight chapters, Andrew H. Knoll
Alone in the universe, why our planet is unique, John Gribbin
Planetology, Unlocking the secrets of the solar system, Tom Jones and Ellen Stofan
Outgoing Resources
Focus
1
Earth (Planet)
Sub focus
1
Origin
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