Estimating ancestral distributions of lineages with uncertain sister groups: a statistical approach to Dispersal–Vicariance Analysis and a case using Aesculus L. (Sapindaceae) including fossils
A.J. HARRIS, Qiu-Yun (Jenny) XIANG
Journal of Systematics and Evolution . 2009, (5): 349 -368 .  DOI: 10.1111/j.1759-6831.2009.00044.x