@inproceedings{paperid:1018051, author = {Shirani, Maedeh and Fotovat, Amir and Khademi, H and Haghnia, Gholam Hosain and Lakzian, Amir}, title = {Assessment of Ni and Zn Contamination in Polluted Soil by Kriging Method in Northeast Iran (Mashhad)}, booktitle = {10th International Conference on the Biogeochemistry of Trace Elements}, year = {2009}, location = {Chihuahua}, keywords = {Heavy metals; Kriging; Soil pollution; Urban and industrial activities}, }