| Additional Metadata | |
|---|---|
| Natura | |
| CC BY 3.0 NL ("Naamsvermelding") | |
| Organisation | Natuurvereniging KNNV |
|
H.F. de Vries. (1947). Hydrobiologie. Natura, 46(4), 62–69. |
|
| Additional Metadata | |
|---|---|
| Natura | |
| CC BY 3.0 NL ("Naamsvermelding") | |
| Organisation | Natuurvereniging KNNV |
|
H.F. de Vries. (1947). Hydrobiologie. Natura, 46(4), 62–69. |
|