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| 999 |
_c6144 _d6144 |
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| 008 | 180712s9999 xx 000 0 und d | ||
| 020 | _a660011859 | ||
| 041 | _aEN | ||
| 082 |
_a598 _bERS _223 |
||
| 100 |
_aERSKINE, Anthony _eaut |
||
| 245 |
_aBirds in boreal canada: communities, densities and adaptations _c/by Anthony ERskine |
||
| 260 |
_a[Canada] _bMinister of suppl and services _c1977 |
||
| 300 | _a71 p. | ||
| 500 | _aIncludes appendix. | ||
| 650 | _aBirds | ||
| 650 | 0 |
_aAves _9120974 |
|
| 942 | _cS | ||