TY  - BOOK
AU  - Hackman,Walter
TI  - Studies on the dipterous fauna in burrows of voles (Microtus, Clethrionomys) in Finland
T2  - Acta zoologica Fennica
PY  - 1963///
CY  - Helsingforsiae
PB  - Societas pro fauna et flora Fennica
ER  -