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  1. Título del documento: Crick f. Life itself. Its origin and nature. Ed. Simon and schuster. Nueva york. Usa. 1981, 192 pp: Revista: Ciencia y desarrollo

  2. adshelp[at]cfa.harvard.edu The ADS is operated by the Smithsonian Astrophysical Observatory under NASA Cooperative Agreement NNX16AC86A

  3. www.nature.com › articles › d41586/018/05098-wHow Did Life Begin? - Nature

    9 de may. de 2018 · Researchers are just beginning to identify the sources of chemical energy that could enable the RNA to copy itself, but much remains to be done. If these hurdles can also be overcome, we may be ...

  4. Bibliographic information. Title. Life Itself: A Comprehensive Inquiry Into the Nature, Origin, and Fabrication of LifeComplex Ecological Systems (COUP) SeriesComplexity in ecological systems series. Author. Robert Rosen. Edition. illustrated. Publisher. Columbia University Press, 1991.

  5. Life Itself: Its Origin and Nature : Amazon.es: Libros. Saltar al contenido principal.es. Entrega en Madrid 28008 Actualizar ...

  6. 40 LIFE: ITS ORIGIN AND NATURE. we become tired and exhausted, and this exhaus¬ tion can only be relieved by rest and sleep—and not by adding more fuel, in the shape of food. Sleep, therefore, is u very peculiar condition, which differentiates the human body from any form of steam-engine known to us.

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