# Plankton-Studien

> publication (1890) by Ernst Haeckel

**Wikidata**: [Q51429587](https://www.wikidata.org/wiki/Q51429587)  
**Source**: https://4ort.xyz/entity/plankton-studien


## References

1. Biodiversity Heritage Library
2. Internet Archive
3. [Fatcat](https://api.fatcat.wiki/v0/release/ilhcezagtzhindkhgh7mmpz3t4)