@article{articlec221534f, title = {Spatial and temporal distribution of fecal coliforms, coliphages, moulds and yeasts in freshwater at the semi-arid tropic northeast region in Brazil (Paraíba state)}, author = {Ceballos, Beatriz S. O. de and Lima, Edeltrudes O. de and König, Annemarie and Martins, Maria Therezinha}, year = {1995}, journal = {Revista de Microbiologia} }