ASTM Standards & Engineering Digital Library

Default is set to search Digital Library and Standards; this can be changed in the main search box by clicking the "All" button. A collection of industry-leading standards and technical engineering information. Covers a broad range of engineering disciplines, including aerospace, biomedical, chemical, civil, environmental, geological, health and safety, industrial, materials science, mechanical, nuclear, petroleum, soil science, and solar engineering.

http://www.lib.umn.edu/get/192

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