Cognomen Bretl (Bretl 
) , in the entire world, is a rare surname. The family name Bretl is characteristic of Austria, where it is a rare surname, Czechia, and the United States. Measured by absolute frequency, it most frequently occurs in the United States, Germany, and Austria.
| timothy bretl researcher |
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| brandon l bretl researcher |
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| kathrine n bretl researcher |
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| timothy wolfe bretl Ph.D. Stanford University 2005 |
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| jan bretl CZ (b. 1980) |
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