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    ( . provocatio - )


    ( . pro - geneion - )


    ( . pro - )
    ( . pro - gnathos - )

    ( . prognosis -







    ( . programma -

    (; GARP - Global Atmospheric Research Program)
    (; . UNEP - United Nations Environment Programme)



    -


    ( . progressus - )
    ()




    (- )
    (2- . 5 . . .)
    ( )
    ( )

    ()




    (Valle Longitudinal)



    ( )


    ( . 1953)
    (1856-89)
    ( 1613 )
    (1894-1959)
    :