Print version: Barwise, Sidney. Bacterial purification of sewage. London, C. Lockwood and son, 1901 Microfilm version: Barwise, Sidney. Bacterial purification of sewage. London, C. Lockwood and Son, 1901
Print version: Barwise, Sidney. Bacterial purification of sewage. London, C. Lockwood and son, 1901 Microfilm version: Barwise, Sidney. Bacterial purification of sewage. London, C. Lockwood and Son, 1901