Crustal Deformation of the North China District from GPS Measurements 
Based on Gaussian Distance Weighting Grids Method
WU Weiwei,MENG Guojie,SU Xiaoning,WU Jicang,HU Xinkang,JIN Honglin
jgg . 2015, (1): 7 -12 .  DOI: 10.14075/j.jgg.2015.01.002