TY - Resources Science A1 - LI He T1 - Competition among trade passages between Northeast China and Europe:An analysis under the opening of the Arctic shipping route Y1 - 2021-01-25 00:00:00.0 JF - Resources Science JO - Resources Science SP - 2092 EP - 2105 VL - 42 IS - 11 UR - {https://www.resci.cn/EN/10.18402/resci.2020.11.04} N1 - 10.18402/resci.2020.11.04 ER -