Читать книгу Ecological Studies of the Timber Wolf in Northeastern Minnesota - Robert R. Ream - Страница 8

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[1] Mention of trade names does not constitute endorsement by the USDA Forest Service.

[2] The acrylic collar was fashioned by the Davidson Co., Minneapolis, Minnesota, which also produced some of the transmitters. Other transmitters and two radio receivers were manufactured by the AVM Instrument Co., Champaign, Illinois.