TY - JOUR A1 - Wang, W. A1 - Huang, H. A1 - Lyu, H. A1 - Gartner, G. T1 - Incorporating directional signs into indoor navigation systems JO - Abstr. Int. Cartogr. Assoc. J1 - ICA-Abs VL - 1 SP - 394 EP - Y1 - 2019/07/15 PB - Copernicus Publications SN - 2570-2106 UR - https://ica-abs.copernicus.org/articles/1/394/2019/ L1 - https://ica-abs.copernicus.org/articles/1/394/2019/ica-abs-1-394-2019.pdf DO - 10.5194/ica-abs-1-394-2019 ER -