(1969). PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCE OF THE UNITED STATES OF AMERICA ( J ). THE NATIONAL ACADEMY OF SCIENCE.
Chicago Edition CitationPROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCE OF THE UNITED STATES OF AMERICA ( J ). USA: THE NATIONAL ACADEMY OF SCIENCE, 1969.
Deismireacht MLAPROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCE OF THE UNITED STATES OF AMERICA ( J ). THE NATIONAL ACADEMY OF SCIENCE, 1969.
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