@incollection{Russ11,
author = {Samuel Russ and Bret Webb and Jon Holifield and Justin Walker},
title = {PILS: Low-Cost Water-Level Monitoring},
booktitle = {Environmental Monitoring},
publisher = {IntechOpen},
address = {Rijeka},
year = {2011},
editor = {Ema O. Ekundayo},
chapter = {9},
doi = {10.5772/27515},
url = {https://doi.org/10.5772/27515}
}