IRScNB_P4087_3798877-220_30_Bulletin 44.pdf
Bulletin of the Royal Belgian Institute of Natural Sciences 1949-1971 / 30 - 1954 Van Doesburg, P. 1954.
On some Syrphidae (Diptera) from Belgian Congo.
irscnb_p4087_3798877-220_30_bulletin-44.pdf — PDF document, 404 KB (414639 bytes)