Pike, E B The use of Serratia indica and Bacillus subtilis var. niger spores for tracing sewage dispersion in the sea. [electronic resource] - The Journal of applied bacteriology Jun 1969 - 206-16 p. digital Publication Type: Journal Article ISSN: 0021-8847 Standard No.: 10.1111/j.1365-2672.1969.tb00968.x doi Subjects--Topical Terms: Bacillus subtilisBacteriological TechniquesMarine BiologySerratiaSewage