TY  - BOOK
AU  - Downes,William L.
TI  - The nearctic Melanomya and relatives (Diptera: Calliphoridae),a problem in Calyptrate classification 
T2  - Bulletin
SN  - 1-55557-000-3
AV  - QL537 .C24 D68
PY  - 1986///
CY  - Albany, N.Y.
PB  - The University of the State of New York
N1  - Incluye bibliografia
ER  -