Barnes, Richard. Optimal orientations of discrete global grids and the Poles of Inaccessibility. International Journal of Digital Earth. 2019, 13 (7): 803–816. S2CID 134622203. doi:10.1080/17538947.2019.1576786.
Barnes, Richard. Optimal orientations of discrete global grids and the Poles of Inaccessibility. International Journal of Digital Earth. 2019, 13 (7): 803–816. S2CID 134622203. doi:10.1080/17538947.2019.1576786.