246 resultados para Pratt
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"Contract AT(30-1)-2789."
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"Contract AT(30-1)-2789."
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April 17, 1963--page 11.
Geometrical attenuation factors for gamma radiation from cylindrical and spherical surface sources /
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Issued September 15, 1963.
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"Contract AT(30-1)-2789."
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"Contract AT(30-1)-2789."
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"Contract AT(30-1)-2789."
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"Contract AT(30-1)-2789."
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"Contract AT-30-1-Gen-366, Sub-S-AEC-1."
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At head of title: Commonwealth of Massachusetts. Dept. of Public Works. U. S. Dept. of the Interior. Geological Survey.
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Some nos. issued in rev. eds.
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Bibliography: p. [393]-399.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.