On regional variations in the plankton of the Illinois River
| Image |  |
|---|---|
| Description | 1903. |
| Author/s |
author: Robert Earl Richardson |
| Publication date | 1903 |
| Language | English |
| Country of origin | |
| Wikipedia link | |
| Access work | |
| Copyright status |
public domain in United States. |
| Missing/wrong data? | Edit Wikidata item |