| Αναφορά | Schreiber, R.W. 1970 Breeding biology of Western gulls (Larus occidentalis) on San Nicolas Island, California, 1968. The Condor 72:133-140. |
| DOI / ISBN | |
| URL δημοσίευσης | http://www.jstor.org/stable/1366622 |
| Ref. No. | 80153 |
| Γλώσσα | English |
| Χρήση | not used yet |
| Comments on the publication | |
| Βρες αυτή την αναφορά στο | Google Scholar | Scirus | Species used from this reference |
| Cross references | 72944, 80055 |