976 resultados para Peat humic substances
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Mode of access: Internet.
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Vols. for issued as United States. Dept. of Health Education and Welfare. DHEW publication no. (HSM); issued as United States Dept. of Health Education and Welfare. HEW publication no. (NIOSH).
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Includes index.
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Thesis (doctoral)--Universite de Geneve.
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Thesis (doctoral)--
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Pt. 1 not named as such.
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Includes bibliographical references.
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"October 24, November 14, and December 12, 1985"--Pt. 2.
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Committee Serial No. 89-79. Considers S. 3298, to ban sale of toys and other articles so hazardous as to be unsuitable for play or use, even with labeling under the Federal Hazardous Substances Labeling Act.