Knee M et al.Fruit softening I. Changes in cell wall composition and endopolygalacturonase in ripening pears .2 Bartley I M. J of Experimental Botany . 1982
Knee M et al.Fruit softening I. Changes in cell wall composition and endopolygalacturonase in ripening pears .2 Bartley I M. J of Experimental Botany . 1982