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APA Citation
Zhou, S., Wang, R., Ding, J., Pan, X., Zhou, S., Fang, F., & Zhen, W. (2019). an approach for computing routes without complicated decision points in landmark-based pedestrian navigation. International journal of geographical information science, 33(9), 1829–1846. http://access.bl.uk/ark:/81055/vdc_100086828443.0x000029