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Old 01-26-2013, 08:02 PM   #430
Joined: Apr 2012
Location: Ypsilanti, MI
Oddometer: 46
Admittedly, I haven't read this yet...

Link is to the following article:
Analysis and effectiveness of deer whistles for motor vehicles: frequencies, levels, and animal threshold responses

Peter M. Scheifele
r756 is offline   Reply With Quote