Briggs، L. Cabot (فبراير 1957). "A Review of the Physical Anthropology of the Sahara and Its Prehistoric Implications". Man. ج. 56: 20–23. DOI:10.2307/2793877. JSTOR:2793877.
Briggs، L. Cabot (فبراير 1957). "A Review of the Physical Anthropology of the Sahara and Its Prehistoric Implications". Man. ج. 56: 20–23. DOI:10.2307/2793877. JSTOR:2793877.