@incollection{Matin12, author = {Pourya Biparva and Amir Abbas Matin}, title = {Microextraction Techniques as a Sample Preparation Step for Metal Analysis}, booktitle = {Atomic Absorption Spectroscopy}, publisher = {IntechOpen}, address = {Rijeka}, year = {2012}, editor = {Muhammad Akhyar Farrukh}, chapter = {4}, doi = {10.5772/30501}, url = {https://doi.org/10.5772/30501} }