| Publication Type: | Book Chapter |
| Year of Publication: | 1948 |
| Authors: | W. W. Wirth |
| Book Title: | Entomology 133: biology of aquatic and littoral insects |
| Series Volume: | Syllabus Series |
| Pagination: | 86‒136, 223‒239 |
| Publisher: | University of California |
| City: | Berkley. |
| Full Text |