National Academies Press
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Publications of the National Academy of Sciences, National Academy of Engineering, Institute of Medicine, and National Research Council. PDFs are free with a few exceptions. For more information: https://www.nationalacademies.org/
Publications of the National Academy of Sciences, National Academy of Engineering, Institute of Medicine, and National Research Council. PDFs are free with a few exceptions. For more information: https://www.nationalacademies.org/