@article{paperid:1058960, author = {Parisa Asadi and Behzad Ataie-Ashtiani and Beheshti, Aliasghar}, title = {Vulnerability assessment of urban groundwater resources to Nitrate: The case study of Mashhad, Iran.}, journal = {Environmental Earth Sciences}, year = {2017}, volume = {76}, number = {41}, month = {January}, issn = {1866-6280}, pages = {1--15}, numpages = {14}, keywords = {Vulnerability mapping; DRASTIC; Geographic information systems (GIS); Nitrate Contamination}, }