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  1. By: Tobach, Ethel
    Type: Article
    In: The veliger
    Volume: 20
    Date: 1978
    Page Range: 359--360
    Publication Info: Berkeley, CA, California Malacozoological Society,
  2. By: Otsuka, C - Rouger, Y - Tobach, Ethel
    Type: Article
    In: The veliger
    Volume: 23
    Date: 1980
    Page Range: 159--162
    Publication Info: Berkeley, CA, California Malacozoological Society,
  3. By: Tobach, Ethel - Gold, Peter - Ziegler, Amy
    Type: Article
    In: The veliger
    Volume: 8
    Date: 1965
    Page Range: 16--18
    Publication Info: Berkeley, CA, California Malacozoological Society,