Autor
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Pennington, D.H
1
Pescatore, Pierre
1
Pla, Alberto J.
1
Pérez Tello, Oscar
1
Rapp, Francis
1
Rowthorn, Bob, 1939-
1
Sempere, Joaquim
1
Sferco, Senda
1
Tamanes, Ramón
1
Tedesco, Laura
1
Toulmin, Stephen Edelston
1
UNESCO
1
Vázquez, José
1
Warren, Bill
1
White, Hayden
1
White, Lynn
1
Wieviorka, Annette
1