[Syrphidae] a copy of Sack's key

Pierre-Nicolas LIBERT pn.libert@mrw.wallonie.be
Fri, 01 Mar 2002 15:01:40 +0100

Dear all,
I would greatly appreciate your help to find a copy of Sack's key of=20
Syrphidae: Sack P. (1928-1932) : 31. Syrphidae. In Lindner, E. (ed.), Die=20
Fliegen der palearktischen Region. Band IV/6: 1-451, Taf. I-XVIII. . I=20
can't find it in Belgium. Can anybody help me?
Thank you very much
Pierre-Nicolas LIBERT
Pierre-Nicolas LIBERT
Scientific collaborator of the Zoology Museum,
Li=E8ge University, Belgium

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