2 treff

Keys to the Chalcidoidea of Czechoslovakia : (Insecta: Hymenoptera)
by Oswald Peck, Zdeněk Bouček and Augusti...
Bok Engelsk 1964
A catalogue of the nearctic Chalcidoidea (Insecta: Hymenoptera)
by Oswald Peck
Bok Engelsk 1963