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Jonas, Hans
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Campbell, Bernard G.
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Russo Krauss, Pio
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Carnevale, Vittoria
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International seminar Global environmetal change: geographical reflections on its perception and evaluation <1993 ; Milano>
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Beato, Fulvio
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De Agostini, Federico
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Caldo, Costantino
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Sacchetti, Aldo
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Caldo, Costantino
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Leonora, Anna Maria
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Gruppo Studi e ricerche geografiche
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United Nations Environment Programme
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De Blij, Harm J.
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Della Seta, Roberto
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Caldo, Costantino
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Caldo, Costantino
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Messina, Angelo <1941- >
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Pizzi, Annibale
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Goldsmith, Edward
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Poulton, Prue
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Litvinoff, Miles
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Russo, Nicola <1969- >
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Valdinoci, Mario
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Nicholson, Max
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Barbieri, Giuseppe
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Caravaggi, Lucina
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Piccardi, Silvio
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Costa, Paolo M. <1932-2019>
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Dagradi, Piero
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Piccardi, Silvio
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Dagradi, Piero
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Dagradi, Piero
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Commoner, Barry
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De Angelis, Carla
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Commoner, Barry
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Finke, Lothar
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Perussia, Felice <1951- >
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Reclus, Élisée
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