500
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American Association for the Advancement of Science.
Centennial : collected papers presented at the centennial celebration, Washington, D. C., September 13-17, 1948.
— Washington : the Association, 1950. 313 p. ; 27 cm.
Contenido: Sciences of society. — Educational potentials. — Human individuality. — Nutrition. — Housing. — World health problems. — Sources of energy. — The upper atmosphere. — The world's natural resources. — Genes and cytoplasm. — High polymers. — Interactions of matter and radiation. — Waves and rhythms.
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