You may find yourself encountering less familiar types of material. Sometimes a lucky Internet search will reveal the needed text but industry standards, for example, are usually not freely available. Also, even freely available technical materials government sometimes seem to be hidden away or can be difficult to interpret.
U.S Federal Regulations:
Federal regulations are published in the Federal Register and codified in the Code of Federal Regulations. Both are available through these databases:
Unlimited users.
Updated daily. Govinfo provides free public access to official publications from all three branches of the Federal Government.
Regulatory material may also be published and available at the website of the issuing agency.
Reports / Rulings / Enforcements:
You may find helpful reports from research agencies --- these might be governmental or non-governmental, such as from a university. These are often posted freely on the Internet and may be found with Google (or similar) searching. If this fails, try next going to the website of the agency responsible for the report. Information at the site also may help determine whether a report has been issued.
Here are some sites for agencies likely to be involved in accident investigations:
For reports from non-governmental research groups:
From the United Nations:
From the OECD, the Organisation for Economic Co-operation and Development
UT-Austin's subscriptions include ASTM, IEEE, ASME, and ACI. Those offered through the Accuris interface require registration before use and some require special software.
Agencies of the U.S. federal government have increasingly gone to using industry standards as their standards.
There's more about standards in this guide:
The PMA/Engineering Library is a designated U.S. Patent and Trademark Resource Center. We can help with finding patent information and --- for searching existing patents --- especially recommend:
Also, we have a guide on searching for patent information:

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