| 000 | 00597nam a22001217a 4500 | ||
|---|---|---|---|
| 008 | 230524s1975 lv ||||| |||| 00| 0 eng d | ||
| 100 |
_aMihelsons, Harijs _9268484 |
||
| 245 |
_aOrnithological researches in the Latvian SSR : _b(1946 - 1970) : a survey of trends and achievements for presentation to the 15. International Ornithological Congress, Hague, August 1970 / _cH. Mihelsons, J. Viksne, I. Vilka. |
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| 264 |
_aRiga : _bZinātne, _c1970. |
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| 653 | _aზოოლოგია | ||
| 653 | _aფრინველები ზოგადად | ||
| 653 | _aორნიტოლოგია | ||
| 999 |
_c679570 _d679568 |
||