@inproceedings{inproceedings3fb62db7, 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, N R S}, year = {1990}, booktitle = {Biennial Water Quality Symposium: Microbiological Aspects} }