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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Pastrana, Jose A
    Type: Article
    In: Anales de la Sociedad Científica Argentina
    Volume: 152
    Date: 1951
    Page Range: 116--126
    Publication Info: Buenos Aires [Sociedad Científica Argentina]
  2. By: Pastrana, Jose A
    Type: Article
    In: Anales de la Sociedad Científica Argentina
    Volume: 154
    Date: 1952
    Page Range: 65--77
    Publication Info: Buenos Aires [Sociedad Científica Argentina]