@incollection{Ling11,
author = {Qing Ling and GangWu and Zhi Tian},
title = {Collaborative Environmental Monitoring with Hierarchical Wireless Sensor Networks},
booktitle = {Environmental Monitoring},
publisher = {IntechOpen},
address = {Rijeka},
year = {2011},
editor = {Ema O. Ekundayo},
chapter = {26},
doi = {10.5772/29089},
url = {https://doi.org/10.5772/29089}
}