| Citation | Gjertz, I. and C. Lydersen 1986 The ringed seal (Phoca hispida) spring diet in northwestern Spitsbergen, Svalbard. Polar Research 4:53-56. | 
| DOI / ISBN | |
| Paper URL | |
| Ref. No. | 85763 | 
| Language | English | 
| Usage | used in part | 
| Comments on the publication | |
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