@Article{201791, title = {宁夏及邻区MS ≥ 5.0地震的前震和广义前震特征分析}, author = {任雪梅,焦德成,蔡新华}, journal = {中国地震}, volume = {33}, number = {1}, pages = {91}, numpages = {10.0000}, year = {2017}, month = {}, doi = {}, publisher = {} }