| Αναφορά | Crawford, R.J.M., A.J. Williams, R.M. Randall, B.M. Randall, A. Berruti and G.J.B. Ross 1990 Recent population trends of Jackass Penguins Spheniscus demersus off Southern Africa. Biological Conservation 52:229-243. |
| DOI / ISBN | |
| URL δημοσίευσης | |
| Ref. No. | 3952 |
| Γλώσσα | English |
| Χρήση | |
| Comments on the publication | |
| Βρες αυτή την αναφορά στο | Google Scholar | Scirus | Species used from this reference |
| Cross references |