網址: https://www.researchgate.net/publication/263260664/figure/fig41/AS:669077269909513@1536531860250/Examples-of-areas-of-change-in-black-for-Kerryhead-A-Moanveanagh.ppm
網址2: https://www.researchgate.net/figure/Examples-of-areas-of-change-in-black-for-Kerryhead-A-Moanveanagh_fig41_263260664
