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References from Threats and the active protection of birds in a riverbed: postulates for the strategy of the preservation of the middle Vistula River avifauna. Local targets link to admitted publications; unresolved targets remain external evidence.
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10.1127/lr/9/1996/221
10.1127/lr/9/1996/221 · External reference
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10.21697/seb.2011.9.2.04 · Admitted local publication
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10.21697/seb.2013.11.4.07
10.21697/seb.2013.11.4.07 · External reference
10.1006/anbe.1999.1298
10.1006/anbe.1999.1298 · External reference
10.21697/seb.2015.13.4.07 · Admitted local publication
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10.1111/j.1523-1739.1990.tb00291.x
10.1111/j.1523-1739.1990.tb00291.x · External reference
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10.1098/rspb.2003.2605
10.1098/rspb.2003.2605 · External reference
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