| Additional Metadata | |
|---|---|
| Natura | |
| CC BY 3.0 NL ("Naamsvermelding") | |
| Organisation | Natuurvereniging KNNV |
|
J.J. Frieswijk. (1973). Physa en Glossiphonia. Natura, 70(7), 103–105. |
|
| Additional Metadata | |
|---|---|
| Natura | |
| CC BY 3.0 NL ("Naamsvermelding") | |
| Organisation | Natuurvereniging KNNV |
|
J.J. Frieswijk. (1973). Physa en Glossiphonia. Natura, 70(7), 103–105. |
|