TY - JOUR T1 - A Method of Avoiding Collision at Sea JF - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934) VL - 94 IS - 664 SP - 547 EP - 560 PY - 1918/08/01/ UR - http://dx.doi.org/10.1098/rspa.1918.0039 M3 - doi:10.1098/rspa.1918.0039 AU - Joly, J. ER -