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By: Farber, EduardType: ArticleIn: Journal of the Washington Academy of SciencesVolume: 59Series:Issue:Date: 1969Page Range: 38--45Publication Info: Washington [etc Washington Academy of Sciences]Subjects:
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By: Farber, EduardType: ArticleIn: Journal of the Washington Academy of SciencesVolume: 56Series:Issue:Date: 1966Page Range: 35--36Publication Info: Washington [etc Washington Academy of Sciences]Subjects: