@article{article26141954,
title   = {Assessment of mutagenic activity in drinking water from sao paulo city, brasil},
author = {Sanchez, P S and Coimbrao, C A and Coelho, M C L S and Valenti, G U and Sato, M I Z and Martins, Maria Therezinha},
year = {1992},
journal   = {Environmental Toxicology and Water Quality: an International Journal}
}