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González Pérez, José Antonio Issued date: 1993 Source: CFS Courier Forschungsinstitut Senckenberg [ISSN 4116], v. 159, p. 429-435 Artículo
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Gil Rodríguez, María Candelaria; Haroun, Ricardo Issued date: 1993 Source: Courier Forschunginstitut Senckenberg, 1993, v. 159, p.113-117 Artículo
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Haroun, Ricardo J. ; Prud'Homme van Reine, Willem F. Issued date: 1993 Source: Courier Forschungsinstitut Senckenberg, 1993, v. 159, p. 119-125 Artículo
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Medina, Mercedes; Haroun, Ricardo Issued date: 1993 Source: Courier Forsch, 1993, v. 159, p. 109-112 Artículo
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