classification systems / empirical solutions / on ground search / /
NaturalFeature
Italian mountain / /
Organization
civil society / /
Person
Paul Henri / Franco Angeli / Giorgio Marrapodi / Paul H. Stahl / Murray Schafer / Rossana Monti (Genova) / Ivan Illich / Antonio Podestà / R. MURRAY SCHAFER / Silja Samerski Albrechtstr / / /