TY - JOUR T1 - A New Method for the Quantitative Estimation of the Micro-Organisms Present in the Atmosphere. JF - Proceedings of the Royal Society of London (1854-1905) VL - 41 SP - 443 EP - 446 PY - 1886/01/01/ UR - http://dx.doi.org/10.1098/rspl.1886.0106 M3 - doi:10.1098/rspl.1886.0106 AU - Frankland, P. ER -