TY - JOUR T1 - On the Theory of Local Probability, Applied to Straight Lines Drawn at Random in a Plane; The Methods Used Being Also Extended to the Proof of Certain New Theorems in the Integral Calculus JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 158 SP - 181 EP - 199 PY - 1868/01/01/ UR - http://dx.doi.org/10.1098/rstl.1868.0008 M3 - doi:10.1098/rstl.1868.0008 AU - Crofton, M. ER -