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By: Williams, S AType: ArticleIn: Revue suisse de zoologieVolume: 85Series:Issue:Date: 1978Page Range: 167--176Publication Info: Genève Kundig [etc.]Subjects:
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By: Williams, S AType: ArticleIn: Revue suisse de zoologieVolume: 84Series:Issue:Date: 1977Page Range: 815--816Publication Info: Genève Kundig [etc.]Subjects:
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By: Williams, S AType: ArticleIn: RhodoraVolume: 96Series:Issue:Date: 1994Page Range: 30--43Publication Info: [Cambridge, Mass., etc.] New England Botanical Club [etc.]Subjects:
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By: Williams, S AType: ArticleIn: British journal of entomology and natural historyVolume: 3Series:Issue:Date: 1990Page Range: 114--114Publication Info: [London] British Entomological and Natural History Society 1988-Subjects: