Encalada, S. E., Bjorndal, K. A., Bolten, A. B., Zurita, J. C., Schroeder, B., Possardt, E., ?.?. (?????.).  (1998).  Population structure of loggerhead turtle (Caretta caretta) nesting colonies in the Atlantic and Mediterranean as inferred from mitochondrial DNA control region sequences.. Marine Biology (Berlin)Marine Biology (Berlin), 130, 567-575.