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Acta Scientiarum Polonorum. Agricultura > 2003 > 2 > 1 > 31-40
Acta Agraria et Silvestria. Series Agraria > 1996 > 34 > 105-114
Acta Scientiarum Polonorum. Agricultura > 2003 > 2 > 1 > 31-40
Acta Agraria et Silvestria. Series Agraria > 1996 > 34 > 105-114