TY - JOUR T1 - On Spontaneous Nitrification JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 136 SP - 137 EP - 141 PY - 1846/01/01/ UR - http://dx.doi.org/10.1098/rstl.1846.0012 M3 - doi:10.1098/rstl.1846.0012 AU - Schoenbein, C. ER -