899 resultados para Detector alignment and calibration methods (lasers, sources, particle-beams)


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... "First issued in 1935 by the Bureau of Agricultural Economics ..."

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Mode of access: Internet.

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The chapter on natural history (1st edition, v. 2, chapter 7) is in this edition transferred to the appendix. In this appendix the Estimate of the western Indians is given under the heading: "Enumeration of Indian nations and their places of general residence".