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Wyniki liczenia gniazd bociana białego (Ciconia ciconia) na terenie byłych powiatów Bełchatów i Sieradz
(Wydawnictwo Uniwersytetu Łódzkiego, 1992)
In 1984 the nests of the White Stork in the area of the former Bełchatów District
(734 km2) and a part of the former Sieradz District (about 720 km2) were investigated.
Comparisons were based on questionnaire data from ...