@article{article,
title = {Assessment of the toxicity of metals in soils amended with sewage sludge using a chemical speciation technique and a lux-based biosensor},
author = {},
year = {1999},
journal = {Environmental Toxicology and Chemistry},
volume = {18},
number = {4},
pages = {659-663},
howpublished = "\url{https://eurekamag.com/research/003/047/003047976.php}"
}