National geographic

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  Año 1976, Vol. 150, Número 3

  • India struggles to save her wildlife

    John J. Putman

    págs. 299-342

    

  • This is the world's richest nation, all of it!

    Mike Holmes

    págs. 344-352

    

  • The new biology: the awesome worlds within a cell

    Rick Gore

    págs. 355-395

    

  • The new biology: the cancer puzzle

    Robert F. Weaver

    págs. 396-399

    

  • The new biology: seven giants who led the way

    Rick Gore

    págs. 401-407

    

  • California's surprising inland delta

    Judith Morgan, Neil Morgan

    págs. 409-430