@article{Bozhong Li:626, author = {Bozhong Li}, title = {Ni, Yuping, Customs Duties in the Qing Dynasty, ca. 1644-1911 }, publisher = {Front. Hist. China}, year = {2017}, journal = {Frontiers of History in China}, volume = {12}, number = {4}, eid = {626}, numpages = {4}, pages = {626}, keywords = {}, url = {https://journal.hep.com.cn/fhc/EN/abstract/article_21780.shtml}, doi = {10.3868/s020-006-017-0030-5} }