@inproceedings{inproceedings015d7839,
title   = {Comparison between the presence- absence (p-a) test and the conventional methology of membrane filter and multiple tube techniques for detection of pollution indicators in drinking water},
author = {Martins, Maria Therezinha and Pellizari, Vivian Helena and Myaki, D M and Adams, Cristina and Bossolan, Nelma Regina Segnini},
year = {1990},
booktitle   = {Biennial Water Quality Symposium: Microbiological Aspects}
}