References by Author or Types

G. A. Wagner, M. Krbetschek, D. Degering, J.-J. Bahain, Q. Shao, C. Falguères, P. Voinchet, J.-M. Dolo, et al.
Radiometric dating of the type-site for Homo heidelbergensis at Mauer, Germany
Proc. Natl. Acad. Sci. U. S. A., 107(46), 19726-19730, 2010
http://dx.doi.org/10.1073/pnas.1012722107

C. Falgueres , J.-J. Bahain , Y. Yokoyama , J. L. Arsuaga , J. M. B. de Castro , E. Carbonell , J. L. Bischoff , and J.-M. Dolo
Earliest humans in Europe: the age of TD6 Gran Dolina, Atapuerca, Spain
J. Hum. Evol., 37(3), 343-352, 1999