TY  - GEN
AU  - Oldroyd,H.
TI  - Results of the Armstrong college expedition to Siwa oasis (Libyan desert), 1935: Diptera Tabanidae, Asilisae, Therevidae, and Bombyliidae 
PY  - 1947///
CY  - [S.l.
PB  - s.n.], 
ER  -