TY - JOUR T1 - Experiments Made to Determine the Conditions under which "Specific" Bacteria Derived from Sewage may be Present in the Air of Ventilating Pipes, Drains, Inspection Chambers and Sewers JF - Proceedings of the Royal Society of London. Series B, Containing Papers of a Biological Character (1905-1934) VL - 79 IS - 531 SP - 255 EP - 266 PY - 1907/05/09/ UR - http://dx.doi.org/10.1098/rspb.1907.0017 M3 - doi:10.1098/rspb.1907.0017 AU - Horrocks, W. ER -