M. Peterka and G.B. Hartl Addresses?

[Guy Hoelzer]

I am looking for e-mail addresses for Michaela Peterka and G. B. Hartl. 
They are at the Unitersitat Wien in Vienna, Austria.  Thanks.

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Guy Hoelzer                                                  
hoelzer at unr.edu
Dept. of Biology
University of Nevada Reno
Reno, NV  89557
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