TY - JOUR T1 - On the Tidal Friction of a Planet Attended by Several Satellites, and on the Evolution of the Solar System JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 172 SP - 491 EP - 535 PY - 1881/01/01/ UR - http://dx.doi.org/10.1098/rstl.1881.0009 M3 - doi:10.1098/rstl.1881.0009 AU - Darwin, G. ER -