(1889). Bulletin of the U.S. Department of Agriculture. Division of biological Survey.
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Chicago-čujuhus (17. p.)
Bulletin of the U.S. Department of Agriculture. Division of Biological Survey. Wash, 1889.
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MLA-čujuhus (9. p.)
Bulletin of the U.S. Department of Agriculture. Division of Biological Survey. 1889.
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Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.