| Referens | Brown, K.M. and P.J. Ewins 1996 Technique-dependent biases in determination of diet composition: an example with Ring-billed Gulls. Condor 98:34-41. |
| DOI / ISBN | |
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| Ref. No. | 6094 |
| Språk | English |
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| Sök denna referens i | Google Scholar | Scirus | Species used from this reference |
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