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Acta Scientiarum Polonorum. Agricultura > 2006 > 5 > 1 > 11-23
Acta Agraria et Silvestria. Series Agraria > 1998 > 36 > 69-77
Acta Scientiarum Polonorum. Agricultura > 2006 > 5 > 1 > 11-23
Acta Agraria et Silvestria. Series Agraria > 1998 > 36 > 69-77