UV A/B transmittance in window passenger and windshield

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I found this:

http://www.dtic.mil/cgi-bin/GetTRDoc?AD=ADA471609

CONCLUSIONS: Both types of windscreens blocked most of the more harmful UV-B radiation; however, glass
laminate windscreens allowed higher levels of potentially damaging UV-A radiation to be transmitted than did
plastic. Professional pilots who routinely fly at higher altitude for longer periods of time than private pilots
should take special precautions to protect their eyes from UV exposure.

July 2007.