| Citatie | Walker, P.A., 1998. Fleeting images. Dynamics of North Sea ray populations. University of Amsterdam. 145 p. Ph.D. dissertation. |
| DOI / ISBN | |
| URL van publicatie | |
| Ref. No. | 41305 |
| Taal | English |
| Gebruik | not seen |
| Opmerkingen | |
| Vind deze referentie in | Google Scholar | Scirus | Species used from this reference |