Author: Schorr, M., 1990:
Title: Grundlagen zu einem Artenhilfprogramm Libellen der Bundesrepublik Deutschland.
Description: Bilthoven: Ursus Scientific Publishers [for] Societas Internationalis Odonatologica, 1990. 8vo, 23.8cm. Pp. vi,512, 40 distrib. maps with transparent overlay map in pocket, 45 figs., extensive bibliogr., species index. Paperbound, orig. pict. stiff wrappers. Fine, as new. Scarce.

Keywords: