@Article{2020324, title = {2017年四川九寨沟MS7.0地震及余震定位研究}, author = {徐旭,徐锦承,张伟}, journal = {中国地震}, volume = {36}, number = {2}, pages = {324}, numpages = {9.0000}, year = {2020}, month = {}, doi = {}, publisher = {} }