TY - JOUR T1 - Volcanic Energy: An Attempt to Develope Its True Origin and Cosmical Relations. JF - Proceedings of the Royal Society of London (1854-1905) VL - 20 SP - 438 EP - 441 PY - 1871/01/01/ UR - http://dx.doi.org/10.1098/rspl.1871.0083 M3 - doi:10.1098/rspl.1871.0083 AU - Mallet, R. ER -