@incollection{Maatoug12, author = {M. Maatoug and K. Taïbi and A. Akermi and M. Achir and M. Mestrari}, title = {Bio-Monitoring of Air Quality Using Leaves of Tree and Lichens in Urban Environments}, booktitle = {Air Pollution}, publisher = {IntechOpen}, address = {Rijeka}, year = {2012}, editor = {Mukesh Khare}, chapter = {10}, doi = {10.5772/31963}, url = {https://doi.org/10.5772/31963} }