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The Transit Point Experiment (Spanish version)
Collection: HBSP (USA)Ref.: HBS-615S09Published: Feb 22, 1990Reviewed: Aug 7, 2001Format: pdfPages: 20Language: Spanish - Article
Las reglas de la biosfera
Collection: HBSP (USA)Ref.: HBS-R0802HPublished: Jun 1, 2008Format: pdfPages: 7Language: Spanish