%0 Journal Article %J Biogeography %D 2003 %T Episodic global dispersal in shallow water marine organisms: The case history of the European shore crabs Carcinus maenas and Carcinus aestuarii %A Cohen, A. N. %A Carlton, J. T. %B Biogeography %V 30 %P 1809-1820 %G eng %U http://www.sfei.org/bioinvasions/Reports/2003-GreenCrabDispersal383.pdf