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By: Gray, David R.Type: ArticleIn: Journal and proceedings of the Royal Society of New South WalesVolume: 108Series:Issue: 1-2Date: 1975-05-26Page Range: 16--28Publication Info: Sydney C. Potter, Acting. Govt. Printer 1877-Subjects:
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By: Gray, David R. - Gray, Sally E.Type: ArticleIn: The Canadian field-naturalistVolume: 126Series:Issue: 3Date: 2013-01-23Page Range: 245--251Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: