Specula
Weber Studies, 16(1), 17-21 (1998); translated into Catalan and Spanish in Nexus, 28, 15-17 and 75-76 (2002).
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specula.pdf
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Weber Studies, 16(1), 17-21 (1998); translated into Catalan and Spanish in Nexus, 28, 15-17 and 75-76 (2002).