TY - JOUR A1 - Qi, F. A1 - Docherty, S. T1 - Mapping time-distance JO - Proc. Int. Cartogr. Assoc. J1 - ICA-Proc VL - 2 SP - 103 EP - Y1 - 2019/07/10 PB - Copernicus Publications SN - 2570-2092 UR - https://ica-proc.copernicus.org/articles/2/103/2019/ L1 - https://ica-proc.copernicus.org/articles/2/103/2019/ica-proc-2-103-2019.pdf DO - 10.5194/ica-proc-2-103-2019 ER -