TY  - BOOK
AU  - Spangles, Paul J.
TI  - A revision of the neotropical aquatic beetle genus Stegoelmis (Coleoptera : Elmidae)
T2  - Smithsonian contributions to zoology
PY  - 1990///
CY  - Washington
PB  - Smithsonian Institution
KW  - Escarabajos
N1  - 53-446
ER  -