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صورة:Harold Urey.jpg


Summary

Harold Clayton Urey

Source

From http://history.nasa.gov/SP-4210/pages/Ch_15.htm

specifically http://history.nasa.gov/SP-4210/images/jpeg/fig_73.jpg

Licensing

Public domain
This file is in the public domain because it was created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (NASA copyright policy page or JPL Image Use Policy).

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