List of Articles GPS Observations Open Access Article Abstract Page Full-Text 1 - Studying of Central Alborz's crustal velocity by using ANN method Tohid malekzadeh Dilmaghani Open Access Article Abstract Page Full-Text 2 - Modeling of time series of Earth crust velocity field in Azarbaijan using multilayer neural network with PSO training algorithm Tohid malekzadeh Dilmaghani