References by Author or Types

N. T. Boaz , R. L. Ciochon , Q. Xu , and J. Liu
Mapping and taphonomic analysis of the Homo erectus loci at Locality 1 Zhoukoudian, China
J. Hum. Evol., 46(5), 519-549, 2004
http://dx.doi.org/10.1016/j.jhevol.2004.01.007

N. T. Boaz and F. C. Howell
A gracile hominid cranium from upper member G of the Shungura formation, Ethiopia
Am J Phys Anthropol, 46(1), 93-108, 1977