Source google image: https://media.springernature.com/lw785/springer-static/image/art%3A10.1007%2Fs11262-016-1360-8/MediaObjects/11262_2016_1360_Fig3_HTML.gif
1360 4 isolation distance
Source google image: https://media.springernature.com/lw785/springer-static/image/art%3A10.1007%2Fs11262-016-1360-8/MediaObjects/11262_2016_1360_Fig3_HTML.gif