TY  - BOOK
AU  - Spangler,Paul J.
AU  - Perkins, Philip D.
TI  - A revision of the neotropical aquatic beetle genus stenhelmoides (coleop: elmidae)
PY  - 1989///
CY  - Washington
PB  - Smithsonian Institution Press
KW  - Stenhelmoides
KW  - Latin America
KW  - classification
ER  -