TY - JOUR T1 - Observations on the Heat of the Ground on Mount Vesuvius: By John Howard, Esq; F. R. S. JF - Philosophical Transactions (1683-1775) VL - 61 SP - 53 EP - 54 PY - 1771/01/01/ UR - http://dx.doi.org/10.1098/rstl.1771.0004 M3 - doi:10.1098/rstl.1771.0004 AU - Howard, J. ER -