TY  - BOOK
AU  - Steyskal,George C.
TI  - Australasian Stilt-Legged Flies (diptera : : tylidae) in the United States National Museum
T2  - Proceedings of the United States National Museum ; 
PY  - 1952///
CY  - Washington : 
PB  - Smithsonian Institution, 
ER  -