TY - JOUR T1 - On a Substance from the Elm Tree, Called Ulmin JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 103 SP - 64 EP - 70 PY - 1813/01/01/ UR - http://dx.doi.org/10.1098/rstl.1813.0009 M3 - doi:10.1098/rstl.1813.0009 AU - Smithson, J. ER -