Search for: [Subject and Keywords = fruit trees \- grafting] OR [Subject and Keywords = fruit trees \- hybridization] OR [Subject and Keywords = drzewa owocowe \- przeszczepianie] OR [Subject and Keywords = drzewa owocowe \- hybrydyzacja] OR [Subject and Keywords = krzyżowanie drzew owocowych] OR [Title = Uszlachetnianie drzew owocowych \[1\]] OR [Creator = Ciesielski, Teofil]