1950 Fascicule 69: Pompilidae
Exploration of National Park Albert (First series)
Mission G. F. de Witte (1933-1935):
HAUPT, H. Pompilidae (Hymenoptera Sphecoidea). 63 p., 25 figs.
Exploration of National Park Albert (First series)
Mission G. F. de Witte (1933-1935):
HAUPT, H. Pompilidae (Hymenoptera Sphecoidea). 63 p., 25 figs.